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 write fiction and I’m told it’s autobiography, I write autobiography and I’m told it’s fiction, so since I’m so dim and they’re so smart, let them decide what it is or it isn’t.

Theoretical physics is not just about solving equations; it's about understanding the fabric of reality.

You can't just keep doing what works one time, everything around you is always changing. To succeed, stay out in front of change.

可持续性不是一种选择，而是长期成功的必要条件。