Abu Sa'id Al-Khudri (May Allah be pleased with him) reported:
The Messenger of Allah (ﷺ) said, "A believer never satisfies doing good until he reaches Jannah."[At- Tirmidhi]. (FR)
App reference (FR): Book 13, Hadith 11 (FR)
Arabic/English book reference (FR): Book 13, Hadith 1386 (FR)