模糊逻辑的本质在于，一切都是程度的问题。
"Courage is not the absence of fear, but the triumph over it."
A person needs to walk how many roads to become a real person.
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。
创新不仅仅是新想法，而是如何有效地执行它们。