“If you look into your own heart, and you find nothing wrong there, what is there to worry about? What is there to fear?”

“The act of birth is the first experience of anxiety, and thus the source and prototype of the affect of anxiety.”

“Friendship... is not something you learn in school. But if you haven't learned the meaning of friendship, you really haven't learned anything.”

“Wit is the lowest form of humor.”

“The best way out of a difficulty is through it.”

“Government 'help' to business is just as disastrous as government persecution... the only way a government can be of service to national prosperity is by keeping its hands off.”