我不认为你可以准备得太多。

在数学中，提出问题的艺术必须比解决问题更有价值。

世界上最重要而美好的事情是：人们并非一成不变，尚未定型——而是永远处于变化之中。

Every artist dips his brush in his own soul, and paints his own nature into his pictures.

"The truth has never been of any real value to any human being - it is a symbol for mathematicians and philosophers to pursue. In human relations kindness and lies are worth a thousand truths."

I want to stand as close to the edge as I can without going over. Out on the edge you see all kinds of things you can't see from the center.

热情很常见。持久力很罕见。