Surah Al-Qalam — Ayah 10 (68:10)
وَلَا تُطِعۡ كُلَّ حَلَّافٖ مَّهِينٍ ١٠
English translation (Saheeh International)
And do not obey every worthless habitual swearer
Brief commentary
And do not follow anyone who frequently takes false oaths, and is vulgar.