Harry Truman actually said...

"Couldn't be anything else."

"In all probability I won't be here to meet you, but I understand exactly what you are trying to do, and I know the next President will be just as happy to receive you as I have been as long as I have ..."

"I am very fond of General Eisenhower, and he is entitled to his political views. It's all right with me. This is a free country."

"I wouldn't think so. As a delegate to the Chicago convention I have a right to a preference."