If you're competitor-focused, you have to wait until there is a competitor doing something. Being customer-focused allows you to be more pioneering.

The more you write, the more you discover what you don’t know.

人生是由运气、偶然和一点点勇气构成的。

成功人士和真正成功人士的区别在于，真正成功的人几乎对所有事情都说不。