Caution: Translations of Quran and Ḥadīth may lead to possible misapplications and misinterpretations. This site is intended for students of sacred knowledge that are proficient in comprehending classical Arabic and have a strong foundation in Islamic sciences. Also note that religious injunctions rely on several aspects beyond what one may glean through reading individual aḥādīth.
Qurʾān Bukhārī Muslim Nasāʾī Abū Dāwūd Tirmidhī Ibn Mājah Mālik Aḥmad Dārimī Ḥākim Ibn Ḥibbān Ṭabarānī Nasāʾī's Kubrá Bayhaqī al-Luʾluʾ wa-al-Marjān Ibn Rajab's Fifty Riyāḍ al-Ṣāliḥīn Aḥmad's Zuhd Suyūṭī
quran:38:30 –

And to David We gave Solomon. An excellent servant, indeed he was one repeatedly turning back ˹to Allah˺.  

And We bestowed on David, Solomon, his son — what an excellent servant!, that is, Solomon. Truly he was a penitent ˹soul˺, always returning ˹to God˺ with glorification and remembrance at all times.
القرآن:٣٨:٣٠ –

وَوَهَبْنَا لِدَاوُودَ سُلَيْمَانَ ۚ نِعْمَ الْعَبْدُ ۖ إِنَّهُ أَوَّابٌ  

{ووهبنا لداود سلمان} ابنه {نعم العبد} أي سليمان {إنه أوَّاب} رجّاع في التسبيح والذكر في جميع الأوقات.