It Is Only Through Imagination That Men

Never Let Yourself Be Diverted, Either By What You Wish To Believe, Or What You Think Could Have Beneficent Social Effects If It Were Believed; But Look Only And Solely At What Are The Facts.

Aristotle And Plato Considered Greeks So Innately Superior To Barbarians That Slavery Is Justified So Long As The Master Is Greek And The Slave Barbarian.

Not To Be Absolutely Certain Is, I Think, One Of The Essential Things In Rationality.

I Am As Firmly Convinced That Religions Do Harm As I Am That They Are Untrue.

... The Word "theory" ... Was Originally An Orphic Word, Which Cornford Interprets As "passionate Sympathetic Contemplation" ... For Pythagoras, The "passionate Sympathetic Contemplation" Was Intellectual, And Issued In Mathematical Knowledge ... To Those Who Have Reluctantly Learnt A Little Mathematics In School This May Seem Strange; But To Those Who Have Experienced The Intoxicating Delight Of Sudden Understanding That Mathematics Gives, From Time To Time, To Those Who Love It, The Pythagorean View Will Seem Completely Natural.