All Our Knowledge Begins With The Senses...

Nature Does Nothing In Vain, And In The Use Of Means To Her Goals She Is Not Prodigal.

In The Natural State No Concept Of God Can Arise, And The False One Which One Makes For Himself Is Harmful. Hence The Theory Of Natural Religion Can Be True Only Where There Is No Science; Therefore It Cannot Bind All Men Together.

He Who Has Made Great Moral Progress Ceases To Pray

When I Could Have Used A Wife, I Could Not Support One; And When I Could Support One, I No Longer Needed Any

Duty Is The Necessity To Act Out Of Reverence For The Law.