An innovation in religion that is not in harmony with it is rejected
BUKHARI 2697:
from ʿĀʾishah —
Messenger of Allah ﷺ said, "If somebody innovates something which is not in harmony with the principles of our religion, that thing is rejected."
البخاري ٢٦٩٧:
عن عاءشه —
قَالَ رَسُولُ اللَّهِ ﷺ: «مَنْ أَحْدَثَ فِي أَمْرِنَا هَذَا مَا لَيْسَ فِيهِ فَهُوَ رَدٌّ۔»