I have lived with the prospect of an early death for the last 49 years. I'm not afraid of death, but I'm in no hurry to die. I have so much I want to do first.
在我过去49年的生命中，早逝的可能性一直存在。我不畏惧死亡，但我不想早早离去。我还有很多未竟之事。
"I'm a perfectionist, I admit it. I'm always trying to improve."
数学不仅仅是关于数字和方程；它是关于理解宇宙中一切事物的模式和结构。
"History is not what happened, but what we remember and how we remember it."
The only safe thing is to take a chance.
Never underestimate the power of the human spirit.
"A story has no beginning or end: arbitrarily one chooses that moment of experience from which to look back or from which to look ahead."