Since only what is material is perceptible, knowable, nothing is known of the existence of God.

Be aware that the reward for labour, and quantity of labour, are quite disparate things.

Natural science will in time incorporate into itself the science of man, just as the science of man will incorporate into itself natural science: there will be one science.

History does nothing; it does not possess immense riches, it does not fight battles. It is men, real, living, who do all this.

Social reforms are never carried out by the weakness of the strong; but always by the strength of the weak.

The less you eat, drink and read books; the less you go to the theatre, the dance hall, the public house; the less you think, love, theorize, sing, paint, fence, etc., the more you save-the greater becomes your treasure which neither moths nor dust will devour-your capital. The less you are, the more you have; the less you express your own life, the greater is your alienated life-the greater is the store of your estranged being.

My object in life is to dethrone God and destroy capitalism.