Riyad as-Saliheen 1647
'Aishah (May Allah be pleased with her) said:
The Messenger of Allah ﷺ said, "He who does something contrary to our way (i.e., Islam) will have it rejected."
[Muslim].
وعن عائشة رضي الله عنها قالت: قال رسول الله ﷺ :
"من عمل عملا ليس عليه أمرنا فهو رد" ((رواه مسلم)).
Classification
Sahih (Authentic)
References
Riyad as-Saliheen 1647
Riyad as-Saliheen Book of Prohibited actions, Hadith 137