“The constant happiness is curiosity.”

“The greatest potential for growth and self-realization exists in the second half of life.”

“Good friends, good books, and a sleepy conscience: this is the ideal life.”

“To do good work one must eat well, be well housed, have one’s fling from time to time…and drink one’s coffee in peace.”

“I don’t think every old person is wise, and I don’t think you automatically get wise when you’re old. You have to want it, You have to pursue it.”

“The purpose of learning is growth, and our minds, unlike our bodies, can continue growing as we continue to live.”