Henri Poincare Quotes about Logic

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It is by logic that we prove, but by intuition that we discover. To know how to criticize is good, to know how to create is better.

Math, Intuition, Logic

Henri Poincare (2012). “The Value of Science: Essential Writings of Henri Poincare”, p.746, Modern Library

It is with logic that one proves; it is with intuition that one invents.

Intuition, Logic, Prove It

Pure logic could never lead us to anything but tautologies; it can create nothing new; not from it alone can any science issue.

Science, Issues, Logic

Henri Poincare (2012). “The Value of Science: Essential Writings of Henri Poincare”, p.339, Modern Library