物理定律必须以独立于坐标系选择的方式表述。

I think it's important to have a dream and to follow it, no matter what.

The Internet is a reflection of our society and that mirror is going to be reflecting what we see. If we do not like what we see in that mirror the problem is not to fix the mirror, we have to fix society.

风险管理是最需要被充分理解的事情。如果你没有一个好的风险管理系统，你就会破产。