Henri Poincaré Quote

Logic and intuition have each their necessary role. Each is, indispensable. Logic, which alone can give certainty, is the instrument of demonstration; intuition is the instrument of invention.


Translated by George Bruce Halsted, The Value of Science, Part I, Chapter I (p. 23)


Logic and intuition have each their necessary role. Each is, indispensable. Logic, which alone can give certainty, is the instrument of...

Logic and intuition have each their necessary role. Each is, indispensable. Logic, which alone can give certainty, is the instrument of...

Logic and intuition have each their necessary role. Each is, indispensable. Logic, which alone can give certainty, is the instrument of...

Logic and intuition have each their necessary role. Each is, indispensable. Logic, which alone can give certainty, is the instrument of...