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.
darimi:160Abū al-Mughīrah > al-Awzāʿī > ʿAbdah b. Abū Lubābah > Ibn ʿAbbās

[Machine] "Whoever introduces a new opinion that is not in accordance with the Book of Allah and does not have the guidance of the Sunnah of the Messenger of Allah ﷺ, then he has not perceived what he is from when he meets Allah, the Almighty and Majestic."  

الدارمي:١٦٠أَخْبَرَنَا أَبُو الْمُغِيرَةِ حَدَّثَنَا الْأَوْزَاعِيُّ عَنْ عَبْدَةَ بْنِ أَبِي لُبَابَةَ عَنِ ابْنِ عَبَّاسٍ قَالَ

مَنْ أَحْدَثَ رَأْيًا لَيْسَ فِي كِتَابِ اللَّهِ وَلَمْ تَمْضِ بِهِ سُنَّةٌ مَنْ رَسُولِ اللَّهِ ﷺ لَمْ يَدْرِ عَلَى مَا هُوَ مِنْهُ إِذَا لَقِيَ اللَّهَ ﷻ