I don't know. Sometimes when I feel about to cry, it often evolves into an impulse to almost laugh. That must have been how I really felt at the time, because I laughed, almost giggled.

理论与观测之间的相互作用推动了天体物理学的发展。

企业的目的不仅仅是利润，还包括为社会做贡献。

"The true value of a computer scientist lies in their ability to see the unseen and solve the unsolvable."

我这一代人最伟大的发现是，一个人可以通过改变态度来改变他的生活。

Always say less than necessary.

我不害怕失败，我害怕不去尝试。