Every challenge is an opportunity to learn something new about yourself.

正义很简单，只是不公平。

The walls of a garden should be high enough to keep the world out, but low enough to let the sky in.

现代密码学的挑战不仅在于保护信息，而且在于以一种既高效又可扩展的方式来实现。

The only real beauty is the beauty of the soul.

The dead are not absent. They are just invisible.