每一天都是新的机会。

防止战争最可靠的方法是不惧怕战争。

"The only limit to our realization of tomorrow will be our doubts of today."

The use of a program to prove the 4-color theorem will not change mathematics - it merely demonstrates that the theorem, a challenge for a century, is a finite problem.

"You have to be willing to go to the places that scare you."

"I don't write with any audience in mind. I just write."