每一个数学问题都是通向新理解世界的窗口。
The psychologist must avoid all teleological interpretations.
Resilience isn’t about avoiding failure—it’s about learning how to rise every time you fall.
PID控制器的本质在于它能够根据系统的过去和现在状态预测其未来行为。
量子世界不仅比我们想象的更奇怪,而且比我们能够想象的还要奇怪。
I came up from the bottom, now I'm here.