The ancients were not proud of being calligraphers. Is it necessary to read more books when learning calligraphy?

In ancient times, practicing calligraphy well was a "stepping stone", which could be used to knock on the "door of imperial examination".

Without a good hand, it is difficult to learn, let alone win.

Who said that "the ancients were not proud of being calligraphers"?

There are few books, you can't recognize more than half of the words on the tablet.