Physical education is not merely a training of the body but an education through the body.
体育教育不仅是对身体的训练，更是通过身体进行的教育。
The only thing that comes to a sleeping man is dreams.
寻找互反律是数学史上的一个基本主题。
I am not interested in the unique, but in the banal.
农时：指春耕、夏耘、秋收三个时令。与其等灾荒来了再想办法补救，不如早防备灾荒，而防备灾荒最好就是抓住农时。