xián suǒ yàn zhǐ 'ér zuò cháng 
xián suǒ yàn zhǐ 'ér zuò cháng Grass No passengers By and Subsist in hardship Slab, Paper and ink That is all Humorous Tang poetry of having seven characters to each line

shīrén: yóu Lu You
  shuǐ shān zhòng dào wén fáng shì xiāng
   huáng jīn jiàbái shǒu yìng tóng gào guī
   yùn miàn 'āo guān huàn huā jué háo fēi
   xīng lán què shāo xiāng shuìxián tīng sōng shēng zhòu yǎn fēi