In the wild, there are no second chances. You have to get it right the first time.

唯一无法得到帮助的人是那些责备他人的人。

Nothing is more powerful than will, and nothing is more important than determination.

In the world of mathematics, every question leads to another, creating an endless web of knowledge that connects all areas of science.

These are the times that try men's souls.

We are stubborn on vision. We are flexible on details.