Human sympathy has its limits.

In my younger and more vulnerable years my father gave me some advice that I've been turning over in my mind ever since.
"Whenever you feel like criticizing any one," he told me, "just remember that all the people in this world haven't had the advantages that you've had.

Show me a hero, and I'll write you a tragedy.

Nobody ever became a writer just by wanting to be one. If you have anything to say, anything you feel nobody has ever said before, you have got to feel it so desperately that you will find some way to say it that nobody has ever found before, so that the thing you have to say and the way of saying it blend as one matter--as indissolubly as if they were conceived together.

There’s a loneliness that only exists in one’s mind. The loneliest moment in someone’s life is when they are watching their whole world fall apart, and all they can do is blink.

[About Ernest Hemingway] He’s a peach of a fellow and absolutely first-rate.