The realization that electronic properties can be topologically protected has revolutionized our understanding of solid-state physics.

孔子说：“老好人是败坏道德的人。”

I'm a human being and I fall in love and sometimes I don't have control of every situation.

成功不在于成为最好的，而在于始终如一地提供优质产品。

Ignorance is not innocence but sin.

Common sense tells us that performance comes and goes, but costs go on forever.