Ibn Mas'ud (May Allah be pleased with him) reported:
The Prophet ﷺ said, "Ruined are those who insist on hardship in matters of the Faith." He repeated this three times.

[Muslim].

وعن ابن مسعود رضي الله عنه أن النبي ﷺ قال: "هلك المتنطعون" قالها ثلاثاً " ((رواه مسلم))