最大的悲剧不是我们预见的那些，而是我们从未预料到的那些。

云计算不是一种产品，而是一种能力。

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

"Jealousy is not a sign of love, but rather a defense against the threat of losing a valued relationship."

传记作者的挑战在于既要成为侦探，又要成为诗人。