"The great man is he who does not lose his childlike heart."
"In things pertaining to enthusiasm, no man is sane who does not know how to be insane on proper occasions."
– Henry Ward Beecher
"Think like a man of action, act like a man of thought."
– Henri-Louis Bergson
"No man can think clearly when his fists are clenched."
– George Jean Nathan
"Be bold. If you're going to make an error, make a doozey, and don't be afraid to hit the ball."
– Billie Jean King