I never look back, I always look forward.

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

Don't look for the needle in the haystack. Just buy the haystack!

社会戏剧是在冲突情境中产生的和谐或不和谐过程的单位。

The truth is rarely pure and never simple.

链条的强度取决于它最薄弱的一环，而生活终究是一条链条。