What is the next sentence on the paper?

What you get on paper will eventually make you feel shallow

You must do it if you know it well

Reading on a winter night shows Ziyu

Dynasty: Song Dynasty

Author: Lu You

Original text:

The ancients spared no effort in their knowledge, and it was only when they were young that their skills were perfected.

What you have learned on paper will eventually make you realize it, but you will definitely know that this matter must be carried out.