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:43:43 –

So adhere to that which is revealed to you. Indeed, you are on a straight path.  

So hold fast to that which has been revealed to you, namely, the Qur’ān; surely you are on a straight path, ˹a straight˺ way.
القرآن:٤٣:٤٣ –

فَاسْتَمْسِكْ بِالَّذِي أُوحِيَ إِلَيْكَ ۖ إِنَّكَ عَلَىٰ صِرَاطٍ مُسْتَقِيمٍ  

{فاستمسك بالذي أوحي إليك} أي القرآن {إنك على صراط} طريق {مستقيم}.