Knowledge Is Not A Loose

The Largest Single Step In The Ascent Of Man Is The Change From Nomad To Village Agriculture.

Satire Is Not A Social Dynamite. But It Is A Social Indicator: It Shows That New Men Are Knocking At The Door.

Nature Has Not Fitted Man To Any Specific Environment.

A Genius Is A Man Who Has Two Great Ideas.

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.