You can always juice sales by going down-market, but it's hard to go back upmarket.
当市场下跌时，你轻易的将好东西打折变卖，但是一旦市场向上，再想买回来，难之又难。
可持续性不是成本，而是对我们未来的投资。
每一场比赛都是学习新东西的机会。
To solve a mathematical problem is to uncover a piece of the universal puzzle.
If you're not making mistakes, you're not trying hard enough.
"The best stories are those that leave us questioning our own reality."
技术人要有敬畏之心，因为代码可以改变世界。