善良是一种聋人能听见、盲人能看见的语言。

"In science, the credit goes to the man who convinces the world, not to the man to whom the idea first occurs."

The history of mathematics is a testament to the ingenuity and creativity of the human mind.

互联网是一个创新的平台，但它也需要负责任的使用。

Learn how to tie a bowline knot. Practice in the dark. With one hand. For the rest of your life you’ll use this knot more times than you would ever believe.