我有我的美丽方式，因为上帝从不犯错。

Program testing can be used to show the presence of bugs, but never to show their absence!

Your outer journey may contain a millionsteps; your inner journey only has one: the step you are taking right now.

You have to have confidence in your ability, and then be tough enough to follow through.

In the realm of mathematics, every problem is an opportunity to discover something new and profound.