In antiquity slaves were, in all honesty called slaves. In the middle ages, they took the name of serfs. Nowadays they are called wage earners.

If God is, man is a slave; now, man can and must be free; then, God does not exist. I defy anyone whomsoever to avoid this circle; now, therefore, let all choose.

Everything that lives, does so under the categorical condition of decisively interfering in the life of someone else.

Human nature is so constituted that the propensity for evil is always intensified by external circumstances, and the morality of the individual depends much more on the conditions of his existence and the environment in which he lives than on his own will.

The first revolt is against the supreme tyranny of theology, of the phantom of God. As long as we have a master in heaven, we will be slaves on earth.

We must overthrow the material and moral conditions of our present-day life. . . . We must first purify our atmosphere and completely transform the milieu in which we live; for it corrupts our instinct and our will, and constricts our heart and our intelligence

Religion is a collective insanity.