在《礼记·内则》里提到:“子事父母,鸡初鸣,咸盥……绅,笏。”这是古人要求为人子者服侍父母,每天一早起来,盥洗完毕,穿上外衣,系上腰带,随手要把一块手板插入带上。绅,大带也。,插也。笏,即手板,如牍。纸张发明以前,平时缮写,都使用削光的竹片或木片。较宽的竹木片称牍,窄者为简。身边带着木板,听到父母的叮嘱教诲,随时记下,或办理 In “Book of Rites,” it was mentioned: “Parents, chimes, salty ... gentry, wat.” This is the ancients who asked their children to serve their parents, getting up early in the morning, On the coat, the Department of the belt, readily put a hand into the band. Gentry, big band also. , Insert also. Wat, that Shouban, such as 牍. Before the invention of paper, usually written, are the use of polished bamboo or wood. Broad bamboo chips called 牍, narrow for Jane. Around with a wooden board, parents heard the teachings, at any time or write down