一个人的常数是另一个人的变量。
One man's constant is another man's variable.
只有尊重自然，才能获得长久的回报。
To live is the rarest thing in the world. Most people exist, that is all.
The truth is rarely pure and never simple.
水产养殖中最危险的一句话是"我们一直都是这么做的"。