You have to be able to center yourself at all times. That's what makes a champion.

释义：开始时做得好的人确实很多，但能够坚持到底的人却很少。这句话揭示了人们在做事过程中往往容易虎头蛇尾，难以善始善终。 

过去是一个异国；他们在那里做事的方式不同。

Words can be used not just to describe reality， but to create new realities.

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

领导力就是做出今天艰难的决定，以造福子孙后代。