Knowledge Is An Unending Adventure

The Painter's Portrait And The Physicist's Explanation Are Both Rooted In Reality, But They Have Been Changed By The Painter Or The Physicist Into Something More Subtly Imagined Than The Photographic Appearance Of Things.

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.

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.

Every Judgment In Science Stands On The Edge Of Error, And Is Personal.

It Is Often Said That The Progression From Simple To Complex Runs Counter To The Normal Statistics Of Chance That Are Formalized In The Second Law Of Thermodynamics. Strictly Speaking, We Could Avoid This Criticism Simply By Insisting That The Second Law Does Not Apply To Living Systems In The Environment In Which We Find Them. For The Second Law Applies Only When There Is No Overall Flow Of Energy Into Or Out Of A System, Whereas All Living Systems Are Sustained By A Net Inflow Of Energy.