“The only thing that one really knows about human nature is that it changes. Change is the one quality we can predicate of it.”

“It is only about things that do not interest one, that one can give a really unbiassed opinion; and this is no doubt the reason why an unbiased opinion is always valueless.”

“The more one analyses people, the more all reasons for analysis disappear. Sooner or later one comes to that dreadful universal thing called human nature.”

“The only things that one can use in fiction are the things that one has ceased to use in fact.”

“There is only one thing in the world worse than being talked about, and that is not being talked about.”

“We can forgive a man for making a useful thing as long as he does not admire it. The only excuse for making a useless thing is that one admires it intensely.All art is quite useless.”

“I have grown to love secrecy. It seems to be the one thing that can make modern life mysterious or marvelous to us. The commonest thing is delightful if only one hides it.”