Narrated 'Ali:
that 'Ammar bin Yasir came seeking permission to enter upon the Prophet (ﷺ) so he said: 'Permit him, greetings to the pure one, the purified." (JA)
English reference (JA): Vol. 1, Book 46, Hadith 3798 (JA)
Arabic reference (JA): Book 49, Hadith 4167 (JA)