It Is A Mistake To Think Of

It Is Important That Students Bring A Certain Ragamuffin, Barefoot Irreverence To Their Studies; They Are Not Here To Worship What Is Known, But To Question It.

We Re-make Nature By The Act Of Discovery, In The Poem Or In The Theorem. And The Great Poem And The Deep Theorem Are New To Every Reader, And Yet Are His Own Experiences, Because He Himself Re-creates Them. They Are The Marks Of Unity In Variety; And In The Instant When The Mind Seizes This For Itself, In Art Or In Science, The Heart Misses A Beat.

The Principle Of Tolerance, Fixed Once For All The Realization That All Knowledge Is Limited. It Is An Irony Of History That At The Very Time When This Was Being Worked Out, There Should Rise, Under Hitler In Germany And Other Tyrants Elsewhere, A Counter-conception: A Principle Of Monstrous Certainty. When The Future Looks Back On The 1930's, It Will Think Of Them As A Crucial Confrontation Of Culture As I Have Been Expounding It - The Ascent Of Man Against The Throwback To The Despots' Belief That They Have Absolute Certainty.

Revolutions Are Not Made By Fate But By Men.

The Most Remarkable Discovery Ever Made By Scientists Is Science Itself. The Discovery Must Be Compared In Importance With The Invention Of Cave-painting And Of Writing.