I'm not a rapper, I'm a phenomenon.

The business of education is not to make the young perfect in any one of the sciences, but so to open and dispose their minds as may make them capable of any, when they shall apply themselves to it.

Your  biggest  competior is yourself.

父亲过于慈爱，不忍心鞭策子女，那么家里就容易出现品德败坏的子女。

The only way to learn mathematics is to do mathematics.

最好的领导者是那些能够授权他人去领导的人。