《北史·列传·卷六十二》
后来，荧惑守于太微垣达几十天，当时正修缮宫殿，征用劳役繁重，袁充就上表说 ：陛下修省德行，荧惑就会退出太微垣。 
后荧惑守太微者数旬，时缮修宫室，征役繁重，充乃上表称 陛下修德，荧惑退舍 。
Later, the planet Mars was in the constellation Taiwei for dozens of days. At that time, the palace was being repaired with a heavy demand for forced labour. Yuan Chong submitted a memorial saying that "Your Majesty should improve your virtues, and the planet Mars will retreat from the constellation Taiwei". 