Good artists copy. Great artists steal.

我认为你能做的最好的事情就是对自己真实和诚实。

To teach mathematics is to inspire the next generation of thinkers and problem solvers.

In language， there is no one-to-one correspondence between words and the things they refer to.

成功不仅仅是赚钱，而是有所作为。

We all complete. Maybe none of us really understand what we’ve lived through, or feel we’ve had enough time.