"確実性への要求は人間にとって自然なものであるが、それにもかかわらず知的な悪徳である。"
“Not to be absolutely certain is, I think, one of the essential things in rationality”
“Three passions, simple but overwhelmingly strong, have governed my life: the longing for l...”
“To realize the unimportance of time is the gate to wisdom.”
“The world of knowledge takes a crazy turn when teachers themselves are taught to learn.”
“Be brave. Take risks. Nothing can substitute experience.”
“If you really want to do something, you’ll find a way. If you don’t, you’ll find an excuse.”
“There’s no reason to have a plan B because it distracts from plan A. ”
“We are stubborn on vision. We are flexible on details.”
“There are two kinds of pain in this world. The pain that hurts, the pain that alters.”
“Wars are not won by fighting battles; wars are won by choosing battles”
“If I had asked people what they wanted, they would have said faster horses.”
“Don’t walk in front of me… I may not follow Don’t walk behind me… I may not lead ...”
“In three words I can sum up everything I've learned about life: it goes on.”
“Success does not consist in never making mistakes but in never making the same one a second time”