To think historically is almost the same thing now as if in all ages history had been made according to theory.

I can tell by my own reaction to it that this book is harmful." But let him only wait and perhaps one day he will admit to himself that this same book has done him a great service by bringing out the hidden sickness of his heart and making it visible.— Altered opinions do not alter a man’s character (or do so very little); but they do illuminate individual aspects of the constellation of his personality which with a different constellation of opinions had hitherto remained dark and unrecognizable.

That roguish and cheerful vice, politeness.

The patient. The pine tree seems to listen, the fir tree to wait: and both without impatience: - they give no thought to the little people beneath them devoured by their impatience and their curiosity.

Illness is a clumsy attempt to arrive at health: we must come to nature's aid with intellect.

It is no doubt possible to fly--but first you must know how to dance like an angel.

The anarchist and the Christian have a common origin.