人活在世上只是过客，如果离开人世也没让你最疼爱的人，知道你是谁，是很可悲的事情。

灵魂是旅行者，而身体是它的行李箱。

War is a tragedy, but sometimes necessary.

石油化工行业的未来在于数字化转型和智能化发展。

"To be forgiven is only half the gift. The other half is that we also can forgive, that we can release ourselves from the old, old burden of resentment and recrimination."

Mathematics is not just about numbers, equations, computations, or algorithms: it is about understanding.