‘Abd-Allāh ibn ’Abbās رَضِيَ اللهُ عَنْهُمَا said:

“I do not know of any deed that will bring one closer to Allāh, the Almighty, the Majestic, than being dutiful and honouring one’s mother.”

Saheeh al-Bukhāri, al-Adab al-Mufrad | Page 34.

Authenticated by Shaykh al-Albāni [may Allāh have mercy on him] in Saheeh al-Adab al-Mufrad

Translation: Authentic Quotes