真正的对手，包围的敌人，不是俄罗斯人，而是他们自己的愚蠢。

Every building is a prototype. No two are the same.

译文：要发勇猛心。人们不肯改过，多半是因为因循守旧、不肯向前；我们要鼓舞振作起来，不要迟疑，不要等待。对于小的过恶，要如同肉中有芒刺一般，立刻剔除；对于大的过恶，要像毒蛇咬自己的手指一样，要快速斩断，没有丝毫的停滞，这就是《周易》中所说的风雷之所以有益处的原因。

Good product managers should think like users and act like CEOs.

"The number one benefit of information technology is that it empowers people to do what they want to do. It lets people be creative. It lets people be productive. It lets people learn things they didn't think they could learn before, and so in a sense it is all about potential."

预测未来的最好方法就是创造未来。