It wasnarrated from 'Abdullah bin Abi Umamah Al-Harithi that hisfathersaid:
"The Messenger of Allah (ﷺ) said: 'Simplicity is partoffaith.'" (JA)
English reference (JA): Vol. 5, Book 37, Hadith 4118 (JA)
Arabic reference (JA): Book 37, Hadith 4257 (JA)