Abu Musa Al-Ash'ari (May Allah be pleased with him) reported:
The Prophet (ﷺ) said, "The similitude of one who remembers his Rubb and one who does not remember Him, is like that of the living and the dead."[Al-Bukhari and Muslim].
App reference: Book 16, Hadith 27
Arabic/English book reference: Book 16, Hadith 1434