A doctor saves lives -- It's up to people to create lives that are worth saving.
To be nobody but yourself in a world which is doing its best day and night to make you like everybody else means to fight the hardest battle which any human being can fight and never stop fighting.
The toughest thing about success is that you've got to keep on being a success. Talent is only a starting point in this business. You've got to keep on working that talent. Someday I'll reach for it and it won't be there.
The release of atomic energy has not created a new problem. It has merely made more urgent the necessity of solving an existing one.
It's important to begin a search on a full stomach.
The truth is always a compound of two half- truths, and you never reach it, because there is always something more to say.
Never read a book through merely because you have begun it.