That roguish and cheerful vice, politeness.

Conversation with a friend will only bear good fruit of knowledge when both think only of the matter under consideration and forget that they are friends.

Human existence basically is──a never to be completed imperfect tense.

I can still stand on life's narrowest footing: but who would I be were I to show you this art. Would you like to see a ropedancer?

My idea of paradise is a straight line to goal

You lack the courage to be consumed in flames and to become ashes: so you will never become new, and never young again!

Without forgetting it is quite impossible to live at all.