Every ant knows the formula of its ant-hill, every bee knows the formula of its beehive. They know it in their own way, not in our way. Only humankind does not know its own formula.

Happiness does not lie in happiness, but in the achievement of it.

I sometimes think love consists precisely of the voluntary gift by the loved object of the right to tyrannize over it.

A special form of misery had begun to oppress him of late. There was nothing poignant, nothing acute about it; but there was a feeling of permanence, of eternity about it; it brought a foretaste of hopeless years of this cold leaden misery, a foretaste of an eternity "on a square yard of space.

In order to love simply, it is necessary to know how to show love.

I am a sick man...I am a spiteful man. I am a most unpleasant man.

God is necessary, and therefore must exist...But I know that he does not and cannot exist...Don't you understand that a man with these two thoughts cannot go on living?