I Care Not What Subject Is Taught,

That Which Endures Is Not One Or Another Association Of Living Forms, But The Process Of Which The Cosmos Is The Product, And Of Which These Are Among The Transitory Expressions.

As If To Demonstrate, By A Striking Example, The Impossibility Of Erecting Any Cerebral Barrier Between Man And The Apes, Nature Has Provided Us, In The Latter Animals, With An Almost Complete Series Of Gradations From Brains Little Higher Than That Of A Rodent, To Brains Little Lower Than That Of Man.

The Foundation Of Morality Is To Have Done, Once And For All, With Lying.

There Are Savages Without God In Any Proper Sense Of The Word, But None Without Ghosts.

The Improver Of Natural Knowledge Absolutely Refuses To Acknowledge Authority, As Such. For Him, Skepticism Is The Highest Of Duties; Blind Faith The One Unpardonable Sin.