Knowledge Quotes

Most popular knowledge quotes

One that knoweth all that may be known is as a God among people.
"First-hand knowledge is critical" is the sort of advice that would have prevented Steve Jobs from creating Apple, prevented me from creating Dilbert, and prevented Musk from creating any of his businesses. Better: "First-hand knowledge can be a mental prison."

entrepreneurship startup

Acknowledging what you don't know is the dawning of wisdom.


Knowledge by itself is a means without an end, a sentence without a subject. Knowledge alone can no more produce a just, equitable, peaceful society than a trumpet can compose a symphony or a violin play a musician.
Specific knowledge is knowledge that you cannot be trained for. If society can train you, it can train someone else, and replace you.
Depend upon it there comes a time when for every addition of knowledge you forget something you knew before. It is of the highest importance, therefore, not to have useless facts elbowing out the useful ones.
Knowledge itself is power.
Knowledge is Life with wings.
As for me, all I know is nothing.
Knowledge is the food of the soul.
For also knowledge itself is power.


Knowledge is a plant of slow growth.
As knowledge increases, wonder deepens.

for teachers

Knowledge is love and light and vision.
Action is the proper fruit of knowledge.

action proverbs

All our knowledge originates in opinion.
Knowledge is knowing that we cannot know.
Ignorance is bold, and knowledge reserved.


Reality is nothing but a collective hunch.


The only source of knowledge is experience.


Knowledge advances by steps, and not by leaps.
An ounce of love is worth a pound of knowledge.


Knowledge is only one half. Faith is the other.


It is knowledge that ultimately gives salvation.
Knowledge is the most democratic source of power.


Knowledge becomes evil if the aim be not virtuous.
The Essence of Knowledge is, having it, to use it.


To be proud of knowledge is to be blind with light.
— Poor Richard’s Almanack
Not to know is bad but not to wish to know is worse.
— African proverb

African proverbs proverbs

All our knowledge has its origins in our perceptions.


Just in ratio as knowledge increases, faith diminishes.
True knowledge exists in knowing that you know nothing.
Real knowledge is to know the extent of one's ignorance.

knowledge and ignorance

A good decision is based on knowledge and not on numbers.


We are drowning in information but starved for knowledge.
The only good is knowledge and the only evil is ignorance.

good and evil ignorance

We can add to our knowledge, but we cannot subtract from it.
If you have knowledge, let others light their candles at it.
All knowledge is spendable currency depending upon the market.
The only fence against the world is a thorough knowledge of it.
The fox knows many things, but the hedgehog knows one big thing.
Knowledge and timber shouldn't be much used till they are seasoned.
Knowledge is like money, the more a man gits the more he hankers for.

Knowing what
thou knowest not
is in a sense


Knowledge is the treasure, but judgment the treasurer, of a wise man.


The one exclusive sign of thorough knowledge is the power of teaching.
Liberty cannot be preserved without general knowledge among the people.
You never know what is enough unless you know what is more than enough.


Knowledge of what is does not open the door directly to what should be.
The aim is to bite good and hard on the fruit of the tree of knowledge.
The larger the island of knowledge, the longer the shoreline of wonder.
The greater our knowledge increases, the greater our ignorance unfolds.


Knowledge which is acquired under compulsion obtains no hold on the mind.
The doorstep to the temple of wisdom is a knowledge of our own ignorance.
There is a great difference between knowing a thing and understanding it.


The grain of real knowledge is concealed in a vast deal of esoteric chaff.
This is the bitterest pain among men, to have much knowledge, but no power.


Be curious always! For knowledge will not acquire you; you must acquire it.


Knowledge belongs to humanity, and is the torch which illuminates the world.
Knowledge stirs the imagination, drives away the nightmares of superstition.
We know accurately only when we know little, with knowledge doubt increases.
In expanding the field of knowledge we but increase the horizon of ignorance.
In expanding the field of knowledge, we but increase the horizon of ignorance.

knowledge and ignorance

If we would have new knowledge, we must get us a whole world of new questions.

asking questions

Ignorance is the curse of God; knowledge is the wing wherewith we fly to heaven.


Knowledge is the distilled essence of our intuitions, corroborated by experience.

experience intuition

When knowledge comes in at the door, fear and superstition fly out of the window.
Like many features of a landscape, knowledge looks different from different angles.
The fruit of the tree of knowledge always drives man from some paradise or another.
Knowledge has to be improved, challenged, and increased constantly, or it vanishes.
Sin, guilt, neurosis—they are one and the same, the fruit of the tree of knowledge.

guilt neurotics sin

The knowledge of the world is only to be acquired in the world, and not in a closet.


The greatest obstacle to discovery is not ignorance – it is the illusion of knowledge.
Wisdom is greater than knowledge, for wisdom includes knowledge and the due use of it.


Knowledge cannot make us all leaders, but it can help us decide which leader to follow.
— Management Digest


A little knowledge that acts is worth infinitely more than much knowledge that is idle.


Knowledge is more than equivalent to force.  The master of mechanics laughs at strength.
Knowledge is the only instrument of production that is not subject to diminishing returns.
Desire of knowledge, like the thirst of riches, increases ever with the acquisition of it.
Science at best is not wisdom; it is knowledge. Wisdom is knowledge tempered with judgment.

judgment science wisdom

The struggling for knowledge hath a pleasure in it like that of wrestling with a fine woman.
If a little knowledge is dangerous, where is the man who has so much as to be out of danger?
The man of knowledge must be able not only to love his enemies but also to hate his friends.
Human knowledge is personal and responsible, an unending adventure at the edge of uncertainty.


It is easy enough to hold an opinion, but hard work to actually know what one is talking about.
— The Public Years


Never mistake knowledge for wisdom. One helps you make a living; the other helps you make a life.


The trouble with most folks isn't so much their ignorance, as knowing so many things that ain't so.


The fruits of the tree of Knowledge are various; he must be strong indeed who can digest all of them.
Knowledge is, indeed, that which, next to virtue, truly and essentially raises one man above another.
To know that we know what we know, and that we do not know what we do not know, that is true knowledge.
There comes a time when the mind takes a higher plane of knowledge but can never prove how it got there.


Knowing stuff others don't know is most effective when others don't know you know stuff they don't know.
Knowledge is of two kinds. We know a subject ourselves, or we know where we can find information upon it.
The first step to knowledge is to know that we are ignorant. As for me, all I know is that I know nothing.
Integrity without knowledge is weak and useless, and knowledge without integrity is dangerous and dreadful.


Knowledge hath in it somewhat of the serpent, and therefore where it entereth into a man it makes him swell.
Tim was so learned that he could name a horse in nine languages: so ignorant that he bought a cow to ride on.
The air we breathe is made up of four elements, at least: oxygen, nitrogen, carbonic acid gas, and knowledge.
Imparting knowledge is only lighting other men's candles at our lamp, without depriving ourselves of any flame.
Even the knowledge of my own fallibility cannot keep me from making mistakes. Only when I fall do I get up again.


Let us tenderly and kindly cherish, therefore, the means of knowledge. Let us dare to read, think, speak, and write.
It isn't what you know that makes you knowledgeable and rigorous; it is in the type of mistakes that you don't make.
The more we know, the better we realize that our knowledge is a little island in the midst of an ocean of ignorance.

knowledge and ignorance

Human knowledge behaves like a growing sphere; the more it expands, the more points of its surface touch the unknown.
It is not when truth is dirty, but when it is shallow, that the lover of knowledge is reluctant to step into its waters.


The greatest weapons in the conquest of knowledge are an understanding mind and the inexorable curiosity that drives it on.


A single hour in the day, steadily given to the study of an interesting subject, brings unexpected accumulations of knowledge.
Knowledge is like money: to be of value it must circulate, and in circulating it can increase in quantity and, hopefully, in value.
Knowledge is happiness, because to have knowledge—broad, deep knowledge—is to know true ends from false, and lofty things from low.
When you know a thing, to hold that you know it, and when you do not know a thing, to allow that you do not know it—this is knowledge.
The well-marked path to knowledge is open to anyone willing to make the effort to follow it, though no one will ever quite reach its end.
The greatest obstacle to discovering the shape of the earth, the continents and the ocean was not ignorance but the illusion of knowledge.


Real knowledge goes into natural man in titbits. A scrap here, a scrap there; always pertinent, linked to safety, or nutrition or pleasure.


No group and no government can properly prescribe precisely what should constitute the body of knowledge with which true education is concerned.


The fact that knowledge endlessly recedes as the investigator is about to grasp it is what constitutes at the same time his torment and happiness.
Our treasure lies in the beehive of our knowledge. We are perpetually on the way thither, being by nature winged insects and honey gatherers of the mind.
Shall I teach you what knowledge is? When you know a thing, say that you know it; when you do not know a thing, admit that you do not know it. That is knowledge.
Every judgment teeters on the brink of error.  To claim absolute knowledge is to become monstrous.  Knowledge is an unending adventure at the edge of uncertainty.
Knowledge is a comfortable and necessary retreat and shelter for us in advanced age.  If we do not plant it while young, it will give us no shade when we grow old.
I was bold in the pursuit of knowledge, never fearing to follow truth and reason to whatever results they led, and bearding every authority which stood in their way.
Three passions, simple but overwhelmingly strong, have governed my life: the longing for love, the search for knowledge, and unbearable pity for the suffering of mankind.

charity compassion love philosophers

If money is your hope for independence you will never have it. The only real security that a man will have in this world is a reserve of knowledge, experience, and ability.

ability experience money

Many men are stored full of unused knowledge.  Like loaded guns that are never fired off, or military magazines in times of peace, they are stuffed with useless ammunition.


I made the journey to knowledge like dogs who go for walks with their masters, a hundred times forward and backward over the same territory; and when I arrived I was tired.


Summarizing the principles in the Incerto: that something is knowable doesn't mean that you know it; that something is unknowable doesn't imply that you can't do anything about it.
The acquisition of knowledge is the mission of research, the transmission of knowledge is the mission of teaching, and the application of knowledge is the mission of public service.

the public

The one important thing I have learned over the years is the difference between taking one's work seriously and taking one's self seriously. The first is imperative and the second is disastrous.
Knowledge will...appear in turn the merest ignorance to those who come after us.  Yet it is not to be despised, since by it we reach up groping fingers to touch the hem of the garment of the Most High.
The modern mind is in complete disarray. Knowledge has stretched itself to the point where neither the world nor our intelligence can find any foot-hold. It is a fact that we are suffering from nihilism.


Intuition and concepts constitute ... the elements of all our knowledge, so that neither concepts without an intuition in some way corresponding to them, nor intuition without concepts, can yield knowledge.


The pursuit of knowledge is an intoxicant, a lure that scientists and explorers have known from ancient times; indeed, exhilaration in the pursuit of knowledge is part of what has kept our species so adaptive.
Knowledge is a potent and subtle distillation of experience, a rare liquor, and it belongs to the person who has the power to see, think, feel, taste, smell, and observe for himself, and who has hunger for it.
The incompleteness and the uncertainty of our knowledge, our precariousness, suspended over the abyss of the immensity of what we don't know, does not render life meaningless; it makes it interesting and precious.


If you have enough sense to become a mental adult yourself, you can run rings around people smarter than you. Just pick up key ideas from all the disciplines, not just a few, and you're immensely wiser than they are.


A belief in hell and the knowledge that every ambition is doomed to frustration at the hands of a skeleton have never prevented the majority of human beings from behaving as though death were no more than an unfounded rumour.


Manners must adorn knowledge, and smooth its way through the world. Like a great rough diamond, it may do very well in a closet by way of curiosity, and also for its intrinsic value; but it will never be worn, nor shine, if it is not polished.
He who knows not and knows not that he knows not is a fool; avoid him. 
He who knows not and knows that he knows not is a student; teach him. 
He who knows and knows not that he knows is asleep; wake him. 
He who knows and knows that he knows is a wise man; follow him.


Often it is our own knowledge that is the biggest obstacle to us touching suchness [reality]. That is why it's very important to learn how to release our own views. Knowledge is the obstacle to knowledge. If you are dogmatic in your way of thinking, it is very difficult to receive new insights, to conceive of new theories and understandings about the world.

buddhist open-mindedness

The ancients who wished to illustrate illustrious virtue throughout the Kingdom first ordered well their own states. Wishing to order well their states, they first regulated their families. Wishing to regulate their families, they first cultivated their persons. Wishing to cultivate their persons, they first rectified their hearts. Wishing to rectify their hearts, they first sought to be sincere in their thoughts. Wishing to be sincere in their thoughts, they first extended to the utmost their knowledge. Such extension of knowledge lay in the investigation of things.