The fundamental problem of automatic control is to maintain a desired state in the presence of disturbances.
自动控制的根本问题是在存在干扰的情况下维持期望状态。
Silence is the language of god, all else is poor translation.
真正的创新往往来自意想不到的方向。
生活的艺术在于克服困难而不战胜它们。
Pain is not always transformative; sometimes it just hurts.
In the quest for understanding, the journey is just as important as the destination.
森林的真正价值远远超出了它的木材。