#7 Innovation

The book of Peacemaking

(4) Chapter. If some people are (re)conciled on illegal basis, their reconciliation is rejected

Hadeeth 2697.

Narrated Aisha رَضِيَ ٱللَّٰهُ عَنْهَا: Allah's Messenger صَلَّى ٱللَّٰهُ عَلَيْهِۦ وَسَلَّمَ said, "If somebody innovates something which is not in harmony with the principles of our religion, that thing is rejected."