"教育の問題は二重である。第一に設計の問題。第二に人々が学校に通い続けるほど十分に興味を持たせる問題。"
“Behavior is determined by its consequences”
“A failure is not always a mistake; it may simply be the best one can do under the circumst...”
“The consequences of an act affect the probability of its occurring again”
“People are good or bad because of their environments”
“You are not defeated when you lose. You are defeated when you quit.”
“Exaggerate the essential, leave the obvious vague.”
“Everything alters me, but nothing changes me.”
“If you’re brave enough to say goodbye, life will reward you with a new hello.”
“The fear of death follows from the fear of life. A man who lives fully is prepared to die ...”
“Love is not blind. It simply enables one to see things others fail to see.”
“Let your plans be dark and impenetrable as night, and when you move, fall like a thunderbolt.”
“It's not the size of the dog in the fight, it's the size of the fight in the dog.”
“Be the change that you wish to see in the world.”
“Your attitude, not your aptitude, will determine your altitude ”