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:2:8 –

And of the people are some who say, "We believe in Allah and the Last Day," but they are not believers.  

The following was revealed concerning the hypocrites: and some people there are who say, ‘We believe in God and the Last Day’, that is, in the Day of Resurrection because it is the very last day; but they are not believers (the ˹plural˺ import of man ˹in man yaqūl, ‘who says’˺ is taken into account here, as expressed by a pronoun ˹hum˺ that expresses this ˹plural˺ meaning).
القرآن:٢:٨ –

وَمِنَ النَّاسِ مَنْ يَقُولُ آمَنَّا بِاللَّهِ وَبِالْيَوْمِ الْآخِرِ وَمَا هُمْ بِمُؤْمِنِينَ  

ونزل في المنافقين: {ومن الناس من يقول آمنا بالله وباليوم الآخر} أي يوم القيامة لأنه آخر الأيام {وما هم بمؤمنين} روعي فيه معنى من، وفي ضمير يقول لفظها.