每個故事都是一次旅程，每次旅程都會改變我們。
Every story is a journey, and every journey changes us.
優(yōu)秀的數(shù)學家應(yīng)該既嚴謹又富有想象力。
"History is not the past, it is the present. We carry our history with us."
The most important property of a program is whether it accomplishes the intention of its user.