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

In the night of death, hope sees a star, and listening love can hear the rustle of a wing.

Religion can never reform mankind because religion is slavery.

This is my creed: Happiness is the only good; reason the only torch; justice the only worship, humanity the only religion, and love the only priest.

I have always noticed that the people who have the smallest souls make the most fuss about getting them saved.

He who dishonors himself [by lying about his opinions] for the sake of being honored by others will find that two mistakes have been made - one by himself, and the other, by the people.

There is no harmony between religion and science. When science was a child, religion sought to strangle it in the cradle. Now that science has attained its youth, and superstition is in its dotage, the trembling, palsied wreck says to the athlete: "Let us be friends."