We live in a world of shadows, and we ourselves are shadows.

A problem well put is half solved.

The future is not something to be predicted, but something to be achieved.

有人居住的世界的边界是由人类知识的极限决定的。

The only thing that separates successful people from the others is hard work.

I don't want to be famous, I just want to be able to do what I love.