Chapter of Ta'qeeb (Prayer Supplications)
Man Lā Yaḥḍuruh al-Faqīh|Volume 1|Book 1|Chapter 47
وَقَالَ اَلنَّبِيُّ صَلَّى اَللَّهُ عَلَيْهِ وَ آلِهِ: قَالَ اَللَّهُ عَزَّ وَ جَلَّ «يَا اِبْنَ آدَمَ اُذْكُرْنِي بَعْدَ اَلْغَدَاةِ سَاعَةً وَ بَعْدَ اَلْعَصْرِ سَاعَةً أَكْفِيكَ مَا أَهَمَّكَ.
The Prophet صلى الله عليه وعلى آله وسلم said that Allah سبحانه وتعالى the Almighty said: "O’ son of Adam, remember Me for an hour after the dawn (fajr) prayer and for an hour after the afternoon (Asr) prayer, and I will take care of what concerns you."
- Ṣaḥīḥ al-Faqīh