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:59:4 –

That is because they opposed Allah and His Messenger. And whoever opposes Allah - then indeed, Allah is severe in penalty.  

That is because they defied, they opposed, God and His Messenger; and whoever defies God, indeed God is severe in retribution, against him.
القرآن:٥٩:٤ –

ذَٰلِكَ بِأَنَّهُمْ شَاقُّوا اللَّهَ وَرَسُولَهُ ۖ وَمَنْ يُشَاقِّ اللَّهَ فَإِنَّ اللَّهَ شَدِيدُ الْعِقَابِ  

{ذلك بأنهم شاقوا} خالفوا {الله ورسوله ومن يشاق الله فإن الله شديد العقاب} له.

See similar narrations below:

Collected by Qurʾān
quran:8:13 –

That is because they opposed Allah and His Messenger. And whoever opposes Allah and His Messenger - indeed, Allah is severe in penalty.  

That, chastisement befalling them is, because they had contended with, they had opposed, God and His Messenger: whoever contends with God and with His Messenger, surely God is severe in retribution, against him.
القرآن:٨:١٣ –

ذَٰلِكَ بِأَنَّهُمْ شَاقُّوا اللَّهَ وَرَسُولَهُ ۚ وَمَنْ يُشَاقِقِ اللَّهَ وَرَسُولَهُ فَإِنَّ اللَّهَ شَدِيدُ الْعِقَابِ  

{ذلك} العذاب الواقع بهم {بأنهم شاقوا} خالفوا {الله ورسوله ومن يشاقق الله ورسوله فإن الله شديد العقاب} له.