做你自己，因为别人已经有人做了。
Be yourself; everyone else is already taken.
Good product managers should think like users and act like CEOs.
Never try to discourage thinking, for you are sure to succeed.
As the sun rose he saw other boats in toward shore, which was only a low green line on the sea.
万物皆由四要素组成：地、水、火、气。
最好的故事是那些提醒我们世界是活着的。
预测未来的最好方法就是创造未来。
测量的精确性不仅仅是技术问题，更是拓展人类知识边界的关键。