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:72:20 –

Say, ˹O Muhammad˺, "I only invoke my Lord and do not associate with Him anyone."  

He said, in response to the disbelievers saying, ‘Abandon this affair of yours!’ (a variant reading ˹for qāla, ‘he said’˺, has qul, ‘Say:’) ‘I invoke only my Lord, as God, and I do not associate anyone with Him’.
القرآن:٧٢:٢٠ –

قُلْ إِنَّمَا أَدْعُو رَبِّي وَلَا أُشْرِكُ بِهِ أَحَدًا  

{قال} مجيبا للكفار في قولهم ارجع عما أنت فيه وفي قراءة قل {إنما أدعو ربي} إلها {ولا أشرك به أحدا}.