Should always learn from everything; should focus on in order to know more, know all.

应当随时学习，学习一切；应该集中全力，以求知道得更多，知道一切。

youdao

Should always learn from everything; should focus on in order to know more, know all.

应当随时学习，学习一切；应该集中全力，以求知道得更多，知道一切。

youdao