“You don't have to turn on the TV set. You don't have to work on the Internet. It's up to you.”

“Happiness does not come from doing easy work but from the afterglow of satisfaction that comes after the achievement of a difficult task that demanded our best.”

“I guess we all like to be recognized not for one piece of fireworks, but for the ledger of our daily work.”

“We are infected by our own misunderstanding of how our own minds work.”

“Obstacles don't have to stop you. If you run into a wall, don't turn around and give up. Figure out how to climb it, go through it, or work around it.”

“Most of the energy of political work is devoted to correcting the effects of mismanagement of government.”

“I do the same exercises I did 50 years ago and they still work. I eat the same food I ate 50 years ago and it still works.”

“Be open to the amazing changes which are occurring in the field that interest you.”

“The more that learn to read the less learn how to make a living. That's one thing about a little education. It spoils you for actual work. The more you know the more you think somebody owes you a living.”