相位裕度是系统在变得不稳定之前可以容忍的程度的度量。

I've learned that failure is not the opposite of success, it's part of success.

I'm not a trendsetter, I'm a game changer.

The true measure of a civilization is how it treats its weakest members.

最危险的风险是拒绝承担任何风险。