Every lump of coal we mine keeps the lights on in someone's home.

The test of our progress is not whether we add more to the abundance of those who have much; it is whether we provide enough for those who have too little.

算法中随机性的力量常常被低估。

以公平的价格购买一家优秀的公司远比以优秀的价格购买一家普通的公司要好得多。

重要的不是你打得有多狠，而是你能承受多大的打击并继续前进。