【译文】 孔子说：“温习旧知识时，能有新收获，就可以做老师了。”

All truly great thoughts are conceived while walking.

永不放弃。今天很艰难，明天会更糟，但后天会阳光灿烂。

语出西汉·桓宽《盐铁论·力耕》 。治理家庭不能靠一件财宝；治理国家，不能靠一种方法。

The laws of physics are the same everywhere in the universe, and that is a profound truth.

图像取代文字，情绪取代理性。

A man knows when he is growing old because he begins to look like his father.

痕迹是开启显现和意义的延异。