Every problem in mathematics is a puzzle waiting to be solved, and the joy is in the solving.

译文：做事要三思而后行，否则就会后悔，人要善于忍耐才不会有忧患。赏析：不管是说话还是做事，我们都要三思，不经过大脑的话和事只会伤害别人。忍一时风平浪静，事事都要争个输赢，只会两败俱伤。

可持续发展不仅是责任，更是企业长远发展的基石。

The mind can assert anything and pretend it has proved it.

"The true prison is not made of walls, but of silenced tongues and censored thoughts."

I believe in love at first sight because I'm a musician.