一个人的常数是另一个人的变量。
One man's constant is another man's variable.
在钢铁中,就像在生活中一样,韧性决定了你能走多远。
出自先秦《荀子·哀公》。鸟被逼得走投无路之时就会用嘴啄人,兽到困窘之时就会用爪抓人,人到穷困潦倒之时就会设计骗人。以鸟兽困窘之时的行为为喻,说明人到穷困潦倒之时便会放弃道德操守的原因。
The key to solving complex problems is often to find the right abstraction that simplifies the problem without losing its essential features.