You don't stop laughing because you grow old. You grow old because you stop laughing.
Think of life as a terminal illness, because, if you do, you will live it with joy and passion, as it ought to be lived.
A billion here, a billion there, pretty soon it adds up to real money.
O, it is excellent to have a giant's strength; but it is tyrannous to use it like a giant.
Glory is fleeting, but obscurity is forever.
When we ask for advice, we are usually looking for an accomplice.
A doctor saves lives -- It's up to people to create lives that are worth saving.