Calligraphy allusions of returning pens to graves and iron gates

Zhiyong and "Returning the Pen to the Tomb"

Original text:

Yong Gong lived in Yongxin Temple in Xing Wu and studied books for many years. Then there are ten jars of Logger Vick, each counting stones. People come to look for books and ask for titles. The residence is limited to piercing holes, but it is wrapped with iron leaves. People later called it "iron gate limit", which was taken from the pen and numbered "returning the pen to the tomb"

-from "Book Breaking"

Translation:

Zhiyong lived in Yongxin Temple in Xing Wu and studied calligraphy for many years. Later, there were ten cans with broken brush heads, each of which contained several loads (so heavy). There are so many people who come to beg for ink to write a plaque that the threshold of the place where they live has been stepped out of the hole, so they wrap the threshold with iron and call it "iron threshold" After burying the pen, it is called "returning the pen to the grave".