Henri Poincare Quotes
Most popular Henri Poincare Quotes
![It is by logic that we prove, but by intuition that we discover. - Henri Poincare quote.](/img/q/96/13596A-it-is-by-logic-that-we-prove-but-by-intuition-henri-poincare.png)
It is by logic that we prove, but by intuition that we discover.
![Thus be it understood that, to demonstrate a theorem, it is neither necessary nor even advantageous to know what it means. . . - Henri Poincare quote.](/img/q/38/10638A-thus-be-it-understood-that-to-demonstrate-theorem-it-is-henri-poincare.png)
Thus be it understood that, to demonstrate a theorem, it is neither necessary nor even advantageous to know what it means. . .
![To doubt everything or to believe everything are two equally convenient solutions; both dispense with the necessity of reflection. - Henri Poincare quote.](/img/q/66/27066A-to-doubt-everything-or-to-believe-everything-are-two-equally-henri-poincare.png)
To doubt everything or to believe everything are two equally convenient solutions; both dispense with the necessity of reflection.
![Science is built up of facts, as a house is built of stones; but an accumulation of facts is no more a science than a heap of stones is a house. - Henri Poincare quote.](/img/q/37/10637A-science-is-built-up-of-facts-as-house-is-built-henri-poincare.png)
Science is built up of facts, as a house is built of stones; but an accumulation of facts is no more a science than a heap of stones is a house.