数学的本质在于它的自由。

You can't just sit there and wait for people to give you that golden dream. You've got to get out there and make it happen for yourself.

To All, only love is the best teacher, it is far better than the responsibility.

The ocean is vast, but our responsibility is even greater.

"The only thing to do with good advice is to pass it on. It is never of any use to oneself."