The greatest problem for mathematicians now is probably the Riemann Hypothesis.

I don't play for the money, I play for the love of the game.

How far you go in life depends on your being tender with the young, compassionate with the aged, sympathetic with the striving and tolerant of the weak and strong. Because someday in your life you will have been all of these.

真相就像太阳。你可以暂时挡住它，但它不会消失。

与孩子们在一起，灵魂得到治愈。