每一次挫折都是为了卷土重来而做的铺垫。
Every setback is a setup for a comeback.
If you are ever in trouble, don’t try to be brave, just run, just run away.
在数学中,提出问题的艺术必须比解决问题更有价值。
数学中最深刻的定理往往有最简单的表述。
Don't chase the wind, build the windmill.
Happiness is not something ready-made. It comes from your own actions.
淡泊平静,忧患就不能影响,邪气就不能侵袭,就德性完备而精神不损。