老王卖瓜，自卖自夸
lǎo​wáng​mài​guā​zì​mài​zì​kuā

every potter praises his own pot

  1. 老王卖瓜 老王賣瓜 lǎo​wáng​mài​guā
    to boast
    (bound form) to praise one's own goods; to boast about one's own work or achievements; often used as the first part of a two-part allegory ending in 自卖自夸 zì​mài​zì​kuā
  2. ， zì
    non-Chinese
  3. 自卖自夸 自賣自誇 zì​mài​zì​kuā
    to blow one's own trumpet
    to praise the goods one is selling; to brag or boast about one's own achievements or qualities