Don't be afraid to give up the good to go for the great.

数学中最美丽的东西是复杂背后的简单思想。

真正的创新往往来自意想不到的方向。

"The act of writing is an act of optimism. You would not take the trouble to do it if you felt it didn't matter."

农民的福利就是国家的福利。

最重要的是享受你的运动。如果不享受，很难取得好成绩。

I tend to think that the longer the pause, the more emphatic the statement.

儿童擅长在自由活动中建立规律。