I do not say think as I think, but think in my way. Fear no shadows, least of all in that great spectre of personal unhappiness which binds half the world to orthodoxy.

There is no sea more dangerous than the ocean of practical politics none in which there is more need of good pilotage and of a single, unfaltering purpose when the waves rise high.

The medieval university looked backwards; it professed to be a storehouse of old knowledge. The modern university looks forward, and is a factory of new knowledge.

Agnosticism simply means that a man shall not say that he knows or believes that for which he has no grounds for professing to believe.

The Bible account of the creation of Eve is a preposterous fable.

Extinguished theologians lie about the cradle of every science, as strangled snakes beside that of Hercules

Learn what is true in order to do what is right.