Tengwang Ge Xu, full name Preface to a Farewell Feast Atop the Prince Teng's Pavilion in Autumn or Preface to Poems on the Prince of Teng's Pavilion, is a masterpiece of parallel prose by Wang Bo of the Tang dynasty. Some of the lines in this preface are widely known among the Chinese readers, such as “The glowing clouds at sunset fly away with a lonely egret ;The autumnal waters merge with the broad sky in one fading color.”