The really royal calling of the philosopher (as expressed by Alcuin the Anglo-Saxon): To correct what is wrong, and strengthen the right, and raise what is holy.

Those you cannot teach to fly, teach to fall faster.

The Devil has the broadest perspectives for God; therefore, he keeps so far away from God -- the Devil being the most ancient friend of wisdom

Unconsciously we seek the principles and opinions which are suited to our temperament, so that at last it seems as if these principles and opinions had formed our character and given it support and stability.

Heroism--that is the disposition of a man who aspires to a goal compared to which he himself is wholly insignificant. Heroism is the good will to self-destruction.

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.

You must be born for your physician, otherwise you are bound to perish because of your physician.