“I am sorry to think that you do not get a man's most effective criticism until you provoke him. Severe truth is expressed with some bitterness.”

“Will stared at him with utter disbelief. “Am I really supposed to answer that? What do you think I want? I want you.” He added bitterly, “Who wouldn’t want you? Seeing you’re so sweet-tempered and understanding.”

“That is the bitterness of art: you see a good effect, and some nonsense about sense continually intervenes.”

“A biography should be faithful to the truth. I do not believe that a biography of a man should be all praises, it should be both [praise and criticism] because it is not bad to show the human side of a person. You make him human by painting the defects.”

“The assertion that you are in falsehood and I am in truth ist the most cruel thing one man can say to another”

“Before you criticize a man, walk a mile in his shoes. That way, when you do criticize him, you'll be a mile away and have his shoes.”