The ideas of right and wrong change with the experience of the race, and this change is wrought by the gradual ascertaining of consequences - of results.

We must remember that we have to make judges out of men, and that by being made judges their prejudices are not diminished and their intelligence is not increased.

If there is a God who will damn his children forever, I would rather go to hell than to go to heaven and keep the society of such an infamous tyrant.

The glory of science is, that it is freeing the soul, breaking the mental manacles, getting the brain out of bondage, giving courage to thought, filling the world with mercy, justice, and joy.

Every human being should be taught that his first duty is to take care of himself, and that to be self-respecting he must be self-supporting. To live on the labor of others, either by force which enslaves, or by cunning which robs, or by borrowing or begging, is wholly dishonorable. Every man should be taught some useful art.

Sometime, it will be found that people can be changed only by changing their surroundings. It is alleged that, at least ninety-five percent of the criminals transported from England to Australia and other penal colonies, became good and useful citizens in a new world.

Logic is not satisfied with assertion. It cares nothing for the opinions of the great; nothing for the prejudices of the many, and least of all for the superstitions of the dead.