Do not befriend whoever commits ‘uquq (being disrespectful, hurtful, unkind to one’s parents), for he will never be faithful to your relation while he has committed ‘uquq towards those who have more right on him than you have.

—a wise man

Birr-ul-Walidain, by Ibn al-Jawzi, p. 63
(Read on pg 75, Abdul-Malik Al-Qasim, Kindness to Parents. Darus-us-Salam. Riyadh: 2004.)