Advice like these are not laws. They are like hats. If one doesn’t fit， try another.

True wisdom lies in acknowledging your limitations and striving to transcend them.

If God intended everybody to be the same, he'd have given us all braces on our legs.

The past is always a rebuke to the present.

顺应常道是凡人，逆反常道可成仙，关键在于颠倒常规的思维方式。

It all depends on how we look at things, and not on how they are themselves.

在数学中，提出问题的艺术必须比解决问题更有价值。