Abu Hurairah (May Allah be pleased with him) reported:
The Messenger of Allah (ﷺ) said, "The Mufarridun have gone ahead." He was asked, "Who are the Mufarridun?" He (ﷺ) replied, "Those men and women who frequently celebrate the remembrance of Allah."[Muslim]. (RU)
App reference (RU): Book 16, Hadith 29 (RU)
Arabic/English book reference (RU): Book 16, Hadith 1436 (RU)