函数是一种对应规则，通过它当给定任何东西（作为参数）时，可以获得另一个东西（该参数的函数值）。

If you pick up a starving dog and make him prosperous, he will not bite you. This is the principal difference between a dog and a man.

唯一真正的光是灵魂的光。

The only limit to our realization of tomorrow is our doubts of today.

I don't do easy. I make things happen.

我们都是破碎的，这就是光进来的方式。

In times of market volatility, discipline and long-term vision separate the winners from the losers.

你必须愿意冒险。