PAC学习框架提供了一种形式化的方法来量化概念类的可学习性。

If you believe that every life has equal value, it's revolting to learn that some lives are seen as worth saving and others are not. We said to ourselves: "This can't be true. But if it is true, it deserves to be the priority of our giving."

Never stop learning; the world is always changing.

采矿行业的领导力意味着为长期利益做出艰难的决定。

"The moment of betrayal is the worst, the moment when you know beyond any doubt that you've been betrayed: that some other human being has wished you that much evil."

舞台上的每一晚都是与观众建立联系的新机会。

自满是进步的大敌。