《晋书·志·第八章》
水星：早晨与太阳会合，隐伏不见，十一天退行七度，早晨在东方出现，在太阳之后。
水：晨与日合，伏，十一日退七度，而晨见东方，在日后。
Mercury: Meets up with the sun in the morning, and hides from view, retrogressing seven degrees in eleven days, appearing in the East in the morning, and behind the sun.