The biggest risk is not taking any risk. In a world that's changing quickly, the only strategy that is guaranteed to fail is not taking risks.
作家的首要工作不是持有观点,而是讲述真相。
I think that the most important thing is to be true to yourself and to be honest with yourself.
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。