To know oneself is wisdom, to forget oneself is folly.

了解自己是聪明的，忘乎所以是愚蠢的。

youdao

To know oneself is wisdom, to forget oneself is folly.

自知之明是智慧，忘乎所以是愚蠢。

youdao

Ah, youth is always a good thing, but the real youth, only belong to the race to the top of the people, always forget oneself labor, always modest man.

青春啊，永远是美好的，可是真正的青春，只属于这些力争上游的人，永远忘我劳动的人，永远谦虚的人。

youdao

Living in Shanghai, it is easy to forget oneself, which helps me maintain my strength.

CNN: ASIANOW - TIME Asia | Visions of China: Shanghai