公垂尚书以白马见寄,光洁稳善,以诗谢之
Public hanging Shang shu have White horse See Send Bright and clean certain To value virtue as a treasure Poems of Hsieh

Poet: Bai Juyi
  翩翩白马称金羁,领缀银花尾曳丝。毛色鲜明人尽爱,
  性灵驯善主偏知。免将妾换惭来处,试使奴牵欲上时。
  不蹶不惊行步稳,最宜山简醉中骑。