There are but two things worth living for: to do what is worthy of being written; and to write what is worthy of being read.

Most people give up just when they're about to achieve success. They quit on the one yard line. They give up at the last minute of the game one foot from a winning touchdown.

If we did not have such a thing as an airplane today, we would probably create something the size of N.A.S.A. to make one.

If you can't stand a little sacrifice and you can't stand a trip across the desert with limited water, we're never going to straighten this country out.

Failures are like skinned knees, painful but superficial.