The history of thought may be summed up in these words: it is absurd by what it seeks and great by what it finds.

A difficulty is a light. An insurmountable difficulty is a sun.

Nothing is more natural than mutual misunderstanding; the contrary is always surprising. I believe that one never agrees on anything except by mistake, and that all harmony among human beings is the happy fruit of an error.

Photography invites one to give up any attempt to delineate such things as can delineate themselves.

Man is only man at the surface. Remove the skin, dissect, and immediately you come to machinery.

The great virtues of the German people have created more evils than idleness ever did vices

Sometime I think; and sometime I am.