When you look long into an abyss, the abyss looks into you.

做得越多，学得越多；学得越多，能做的就越多。

I believe that children are our future. Teach them well and let them lead the way.

The measure of a good book is whether or not it makes you see the world differently.

The mathematician's best work is art, a high perfect art, as daring as the most secret dreams of imagination, clear and limpid.

赢得奖牌并不是奥运会的重点。重要的是参与。

未来属于那些能够在盈利和环境责任之间取得平衡的人。