“It is not the strongest or the most intelligent who will survive but those who can best manage change.”

“All human beings have the same weaknesses.”

“If one sticks too rigidly to one’s principles, one would hardly see anybody.”

“Every one of us is a dark mystery, a maze of conflicting passions and desires and attitudes.”

“Everyone is a potential murderer—in everyone there arises from time to time the wish to ...”

“I think frugality drives innovation, just like other constraints do. One of the only ways ...”

“The strongest leaders are those who lead by example, not by force.”

“Success is not measured by what you accomplish, but by the obstacles you overcome.”

“Every blessing ignored becomes a curse.”

“In the small matters trust the mind, in the large ones the heart.”

“One day, in retrospect, the years of struggle will strike you as the most beautiful.”

“Plan for what it is difficult while it is easy, do what is great while it is small.”

“You are not defeated when you lose. You are defeated when you quit.”

“Unless someone like you cares a whole awful lot, nothing is going to get better. It's not.”

“If I had asked people what they wanted, they would have said faster horses.”

“Man suffers only because he takes seriously what the gods made for fun.”

“We don't stop playing because we grow old; we grow old because we stop playing.”