忽视环境影响的生产力指标只是会计把戏，而非真正的进步。

My greatest happiness is doing what I love.

Your work is going to fill a large part of your life, and the only way to be truly satisfied is to do what you believe is great work.

To understand the arithmetic of algebraic varieties is to understand the symmetries hidden within them.

天下的道理，循环往复，所以能够永恒不息。