“You rest, you rust.”

“If you rest, you rust.”

“From your parents you learn love and laughter and how to put one foot before the other. But when books are opened you discover that you have wings.”

“My mother drew a distinction between achievement and success. She said that 'achievement is the knowledge that you have studied and worked hard and done the best that is in you. Success is being praised by others, and that's nice, too, but not as important or satisfying. Always aim for achievement and forget about success.”

“The hardest years in life are those between ten and seventy.”

“Always aim for achievement, and forget about success.”

“Age is not important unless you're a cheese.”