解释：人有知识，犹如树木有枝叶，树木有了枝叶，能带给人阴凉，人有了知识，就可以为人民做更多的事。

办事果断的人看起来好像忙碌，其实心中常有闲暇。因循苟且的人看起来闲暇，其实心中常有牵念。

"It is our choices that show what we truly are, far more than our abilities."

One is the happiest thing is that somebody loves you.When you are at my time， I absent-minded，When I come to you， when you have gone.We are always in a meeting to miss， losing a lot of.However， I want to say this is because we are still young.No， perhaps this is our life.From then on， I always looked back the road.

The beauty of mathematics lies in its ability to describe the universe in the simplest terms.