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:99Abū al-Mughīrah > al-Awzāʿī > Ḥassān

[Machine] Translation: "No people invent an innovation in their religion except that Allah will remove from their Sunnah something similar to it, then He will not return it to them until the Day of Resurrection."  

الدارمي:٩٩أَخْبَرَنَا أَبُو الْمُغِيرَةِ حَدَّثَنَا الْأَوْزَاعِيُّ عَنْ حَسَّانَ قَالَ

مَا ابْتَدَعَ قَوْمٌ بِدْعَةً فِي دِينِهِمْ إِلَّا نَزَعَ اللَّهُ مِنْ سُنَّتِهِمْ مِثْلَهَا ثُمَّ لَا يُعِيدُهَا إِلَيْهِمْ إِلَى يَوْمِ الْقِيَامَةِ