人对他自己建筑起堤防来。

He said that the way of the world is to bloom and to flower and die but in the affairs of men there is no waning and the noon of his expression signals the onset of night. His spirit is exhausted at the peak of its achievement. His meridian is at once his darkening and the evening of his day.

The only time you should ever look back is to see how far you've come.

在科学中最激动人心的短语，预示着新发现的，不是“我找到了！”而是“这有点奇怪……”