"You have to work hard to get to the top, but you have to work even harder to stay there."

The only way to deal with an unfree world is to become so absolutely free that your very existence is an act of rebellion.

有自知之明的人，遇到问题了会反省自己，不会抱怨别人；能够掌握自己命运的人，只会积极进取，不会抱怨苍天。

Technology is not an end in itself, but a means to ultimately serve the player experience.

先读经书，再读史籍，以经论史，评论古人史事，就不会与圣贤相悖；研读史籍，再温经书，以史证经，读书目的升华，决不仅为章句之学。

置信区间理论提供了一种不同于点估计和假设检验的估计未知参数的方法。