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.

As long as every question is answered by the word "God," scientific inquiry is simply impossible.

I believe that there is something far nobler than loyalty to any particular man. Loyalty to the truth as we perceive it - loyalty to our duty as we know it - loyalty to the ideals of our brain and heart - is, to my mind, far greater and far nobler than loyalty to the life of any particular man or God. . . .

The more a man knows, the more willing he is to learn-the less a man knows, the more positive he is that he knows everything.

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.

If I had my way I'd make health catching instead of disease.

Secularism is a religion, a religion that is understood. It has no mysteries, no mumblings, no priests, no ceremonies, no falsehoods, no miracles, and no persecutions.