唯一的限制是你为自己设定的限制。
The only limit is the one you set for yourself.
I write plays because I have a strong moralistic streak.
我们不是朋克乐队，我们不是流行乐队，我们是U2。
The quality of an organization is determined by the quality of its leadership.
Every problem in mathematics is an opportunity to learn something new.
"I don't know what I'm doing tomorrow, I don't have a plan. I'm happy to be alive, to be healthy, and to have my kids."
"Reading is an act of freedom."
我不会成为我不是的人。
我相信梦想的力量。