"Look at a day when you are supremely satisfied at the end. It's not a day when you lounge around doing nothing; it's when you've had everything to do and you've done it."

"Excellence is to do a common thing in an uncommon way."

A genuine leader is not a searcher for consensus but a molder of consensus.

"Thinking is the hardest work there is, which is probably the reason so few engage in it."

"I take nothing for granted. I now have only good days, or great days."

"Learning is not attained by chance; it must be sought for with ardor and attended to with diligence."