Abdullah ibn Amr reported: The Messenger of Allah, peace and blessings be upon him, said, “He has succeeded who embraced Islam, whose provision is sufficient, and whom Allah has made content with what He has given him.”
Source: Ṣaḥīḥ Muslim 1054
Grade: Sahih (authentic) according to Muslim
عَنْ عَبْدِ اللَّهِ بْنِ عَمْرِو أَنَّ رَسُولَ اللَّهِ صَلَّى اللَّهُ عَلَيْهِ وَسَلَّمَ قَالَ قَدْ أَفْلَحَ مَنْ أَسْلَمَ وَرُزِقَ كَفَافًا وَقَنَّعَهُ اللَّهُ بِمَا آتَاهُ
1054 صحيح مسلم كتاب الزكاة باب في الكفاف والقناعة