If the child has not an object that it can occupy itself with, it feels ennui; for it does not yet know how to occupy itself with itself.

If it is right for me, it is right. It is possible that it is wrong for others: let them take care of themselves!

A race of altruists is necessarily a race of slaves. A race of free men is necessarily a race of egoists.

It is not recognized in the full amplitude of the word that all freedom is essentially self-liberation - that I can have only so much freedom as I procure for myself by my owness.

From the moment when he catches sight of the light of the world, a man seeks to find out himself and get hold of himself out of its confusion, in which he, with everything else, is tossed about in motley mixture.

Freedom cannot be granted. It must be taken.

Whoever knows how to take, to defend, the thing, to him belongs property.