自古皆有死，人無信不立 [－－－－－－－无－－－]

Jyutping zi6 gu2 gaai1 jau5 sei2 ， jan4 mou4 seon3 bat1 laap6
Pinyin zì gǔ jiē yǒu sǐ ， rén wú xìn bù lì

Definitions (Wiktionary)
  1. proverb
    From of old, death has been the lot of all men; but if people have no faith in a person, there is no standing for that person.