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:74:54 –

No! Indeed, the Qur'an is a reminder  

No indeed! (kallā: a commencement ˹of a new sentence˺) Assuredly it, that is, the Qur’ān, is a Reminder, an admonition.
القرآن:٧٤:٥٤ –

كَلَّا إِنَّهُ تَذْكِرَةٌ  

{كلا} استفتاح {إنه} أي القرآن {تذكرة} عظة.

See similar narrations below:

Collected by Qurʾān
quran:80:11 –

No! Indeed, these verses are a reminder;  

No indeed!, do not behave like this. Truly it, the sūra, is, or the verses ˹are˺, a reminder, an admonition for ˹all˺ creatures —
القرآن:٨٠:١١ –

كَلَّا إِنَّهَا تَذْكِرَةٌ  

{كلا} لا تفعل مثل ذلك {إنها} أي السورة أو الآيات {تذكرة} عظة للخلق.