古代文人墨客为他人属文或赋诗作画，往往将对方馈赠的财物称作“润笔”。润笔的起源，从“一字千金”这则典故，隐约可见其脱胎轨迹。汉代司马迁《史记·吕不韦列传》：“吕不韦乃使客人人著所闻，集论以为八览、六论、十二纪，二十余万言。以为备天地万物、古今之事，号曰《 Ancient literati for other people’s geniuses or poetry painting, tend to be the other side of the property referred to as “Run pen.” The origin of the fountain pen, from the “word” this allusion, vaguely visible trajectory of its birth. Han Sima Qian << Historical Records Lu Bu Wei Biography >>: << Lv Bu Wei is the guests who heard the news, set theory that the eight, six, twelve, more than two hundred thousand words that the preparation for all things, ancient and modern things,