To give up your individuality is to annihilate yourself.

As more people become more intelligent they care less for preachers and more for teachers.

Talent has the four seasons: spring, that is to say, the sowing of the seeds; summer, growth; autumn, the harvest; winter, intellectual death. But there is now and then a genius who has no winter, and, no matter how many years he may live, on the blossom of his thought no snow falls. Genius has the climate of perpetual growth.

The church in all ages and among all peoples has been the consistent enemy of the human race. Everywhere and at all times, it has opposed the liberty of thought and expression. It has been the sworn enemy of investigation and intellectual development. It has denied the existence of facts, the tendency of which was to undermine its power. It has always been carrying fagots to the feet of Philosophy. It has erected the gallows for Genius. It has built the dungeon for Thinkers.

A miracle is the badge and brand of fraud. ... No intelligent, honest man ever pretended to perform a miracle, and never will.

There is no evidence that God ever interfered in the affairs of man. The hand of earth is stretched uselessly towards heaven. From the clouds there comes no help.

We are told in the Pentateuch, that god, the father of us all, gave thousands of maidens, after having killed their fathers, their mothers, and their brothers, to satisfy the brutal lusts of savage men. If there be a god, I pray him to write in his book, opposite my name, that I denied this lie for him.