He is ungrateful who denies that he has received a kindness which has been bestowed upon him; he is ungrateful who conceals it; he is ungrateful who makes no return for it; most ungrateful of all is he who forgets it. De Beneficiis

Love had a thousand shapes. To the Lighthouse

Supreme excellence consists of breaking the enemy's resistance without fighting. The Art Of War

“Why, Milena, do you write about our common future which will never be, or is it that why you write about it? (…) Few things are certain, but one is that we’ll never live together, share an apartment, body to body, at a common table, never, not even in the same city. (…) Incidentally, Milena, you must agree when you examine yourself and me and take soundings of the “sea” between “Vienna” and “Prague” with its insurmountably high waves.” (Prague, September 1920) Letters To Milena