Who can estimate the misery that has been caused by this infamous doctrine of eternal punishment? Think of the lives it has blighted-of the tears it has caused-of the agony it has produced. Think of the millions who have been driven to insanity by this most terrible of dogmas. This doctrine renters God the basest and most cruel being in the universe. ... There is nothing more degrading than to worship such a god.

To know that the Bible is the literature of a barbarous people, to know that it is uninspired, to be certain that the supernatural does not and cannot exist - all this is but the beginning of wisdom.

Had he been willing to live a hypocrite, he would have been respectable, he at least could have died surrounded by other hypocrites, and at his death there would have been an imposing funeral, with miles of carriages, filled with hypocrites, and above his hypocritical dust there would have been a hypocritical monument covered with lies.

Every library is an arsenal.

It cannot be said too often that actions are good or bad in the light of consequences, and that a clear perception of consequences would control actions. That which increases the sum of human happiness is moral; and that which diminishes the sum of human happiness is immoral. . . . Blind, unreasoning obedience is the enemy of morality.

The man who invented the telescope found out more about heaven than the closed eyes of prayer ever discovered.

The Christians say, that among the ancient Jews, if you committed a crime you had to kill a sheep. Now they say 'charge it.' 'Put it on the slate.' The Savior will pay it. In this way, rascality is sold on credit, and the credit system in morals, as in business, breeds extravagance.