"You can't be a leader unless you've been a follower."

"There are two reasons why a man does anything. One is a good reason; the other is the real reason."

"The greatest danger for most of us is not that our aim is too high and we miss it, but that it is too low and we reach it."

"The man who is a master of patience is master of everything else."

"I can always make money, but I can't always make time."