Uncertainty is not an excuse for inaction.

Behavior is not just a response to a stimulus, but is guided by expectations and purposes.

写作是一种勇气的行为，一种跃入虚空的跳跃。

Sustainability is not an option; it's a necessity for long-term success.

真正的护城河是用户对你的依赖。

The liberty of the press is the palladium of all the civil， political， and religious rights of an Englishman.

不断学习的人，人生才会不断升华。