To be shocked at how deeply rejection hurts is to ignore what acceptance involves. We must never allow our suffering to be compounded by suggestions that there is something odd in suffering so deeply. There would be something amiss if we didn't.

I owe what is best in my own development to the impression made by Kant's works, the sacred writings of the Hindus, and Plato.

The fourfold root of the principle of sufficent reason is "Anything perceived has a cause. All conclusions have premises. All effects have causes. All actions have motives.

I constantly saw the false and the bad, and finally the absurd and the senseless, standing in universal admiration and honour.

Reason is feminine in nature; it can only give after it has received.

Every possession and every happiness is but lent by chance for an uncertain time, and may therefore be demanded back the next hour.

A man of genius can hardly be sociable, for what dialogues could indeed be so intelligent and entertaining as his own monologues?