Happy indeed is the scientist who not only has the pleasures which I have enumerated, but who also wins the recognition of fellow scientists and of the mankind which ultimately benefits from his endeavors.
You have to stay in shape. My grandmother, she started walking five miles a day when she was 60. She's 97 today and we don't know where the hell she is.
All sport... is one of the few activities where young people can proceed along traditional avenues, where objectives are clear, where the desire to win is not only permissible, but encouraged.