不以人廢言 [－－－废－]

Jyutping bat1 ji5 jan4 fai3 jin4
Pinyin bù yǐ rén fèi yán

Definitions (CC-CEDICT)
  1. not to reject a word because of the speaker (idiom, from Analects); to judge on the merits of the case rather than preference between advisers
Definitions (Wiktionary)
  1. phrase, idiomatic
    to not reject an opinion because of the person expressing it