The Symbol And The Metaphor Are As

There Is No Absolute Knowledge. And Those Who Claim It, Whether They Are Scientists Or Dogmatists, Open The Door To Tragedy.

We Have To Understand That The World Can Only Be Grasped By Action, Not By Contemplation. The Hand Is More Important Than The Eye ... The Hand Is The Cutting Edge Of The Mind.

We Are A Scientific Civilization. That Means A Civilization In Which Knowledge And Its Integrity Are Crucial. Science Is Only A Latin Word For Knowledge ... Knowledge Is Our Destiny.

Nations In Their Great Ages Have Not Been Great In Art Or Science, But In Art And Science.

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.