那些疯狂到认为自己可以改变世界的人，才是那些真正改变世界的人。

You can be whatever size you are, and you can be beautiful both inside and out.

Don't be afraid of failure, be afraid of not having the courage to try.

The world is a book, and those who do not travel read only one page.

在数学中，我们常常追求优雅和简洁，但在计算机科学中，我们还必须考虑实用性和效率。