In nature there are neither rewards nor punishments; there are consequences.

Catholicism is contrary to human liberty. Catholicism bases salvation upon belief. Catholicism teaches man to trample his reason under foot. And for that reason it is wrong.

In making up my mind as to what Mr. Lincoln really believed, I do not take into consideration the evidence of unnamed persons or the contents of anonymous letters; I take the testimony of those who knew and loved him, of those to whom he opened his heart and to whom he spoke in the freedom of perfect confidence.

Everyone should be taught the nobility of labor, the heroism and splendor of honest effort. As long as it is considered disgraceful to labor, or aristocratic not to labor, the world will be filled with idleness and crime, and with every possible moral deformity.

The savage prays to a stone that he calls a god, while the Christian prays to a god he calls a spirit, and the prayers of both are equally useful.

A believer is a bird in a cage, a freethinker is an eagle parting the clouds with tireless wing.

Diderot took the ground that, if orthodox religion be true Christ was guilty of suicide. Having the power to defend himself he should have used it.