“Never let your schooling interfere with your education.”

“Just as a cautious businessman avoids investing all his capital in one concern, so wisdom would probably admonish us also not to anticipate all our happiness from one quarter alone.”

“Lost time is never found again.”

“I didn’t want to change society. I wanted to give society a chance to determine if it should change itself.”

“Compound interest is the eighth wonder of the world. He who understands it, earns it ... he who doesn't ... pays it.”

“I think frugality drives innovation, just like other constraints do. One of the only ways to get out of a tight box is to invent your way out.”