"The best way to cheer yourself up is to try to cheer somebody else up."

"Substitute 'damn' every time you're inclined to write 'very;' your editor will delete it and the writing will be just as it should be."

"I have found that there ain't no surer way to find out whether you like people or hate them than to travel with them."

"I am not an American. I am a Missourian."

"What a wee little part of a person's life are his acts and his words! His real life is led in his head, and is known to none but himself."