Be careful to trust a person who does not like wine.

There is only one effective antidote for mental suffering and that is physical pain.

When commercial capital occupies a position of unquestioned ascendancy, it everywhere constitutes a system of plunder.

Social progress can be measured exactly by the social position of the fair sex.

I am nothing but I must be everything.

All freed, fast-frozen relations, with their train of ancient and venerable prejudices and opinions, are swept away, all new-formed ones become antiquated before they can ossify. All that is solid melts into air, all that is holy is profaned, and man is at last compelled to face with sober senses, his real conditions of life, and his relations with his kind.

The entire so-called history of the world is nothing but the creation of man through human labor.