真正的成长来自于挑战现状，而不仅仅是维持现状。

数学的力量在于它简化复杂事物的能力。

"I don't think about the past. I focus on the present and the future."

The most effective way to destroy people is to deny and obliterate their own understanding of their history.

诗歌是灵魂的语言。

Never stop questioning how things can be done better—complacency is the enemy of progress.

要理解未来，首先必须理解过去。