Disciples' Rules was written in Song Dynasty.

Songti is a Chinese font that seems suitable for printing. The strokes vary in thickness, generally thin and vertical, with decorative parts at both ends (that is, "feet" or "serif"), and strokes such as dots, strokes, strokes and hooks have sharp points, which belong to serif fonts and are often used for text typesetting of books, magazines and newspapers. Song style is a printing form, which was born in block printing and formed in Ming Dynasty.