What is the correct reference for this statement and can it be quoted?
لو طهرت قلوبكم ما شبعت من كلام الله
This narration is recorded in Fadailus Sahabah and Kitabuz Zuhd of Imam Ahmad and Hilyatul Awliya as the statement of Sayyiduna ‘Uthman ibn ‘Affan (radiyallahu ‘anhu).
(Fadailus Sahabah: 775, Kitabuz Zuhd: 680, Hilyatul Awliya, vol. 7 pg. 300)
The narration is suitable to quote.
Imam Bayhaqi (rahimahullah) has recorded the narration with very slight variation in the wording. See here
And Allah Ta’ala Knows best.
Answered by: Moulana Suhail Motala
Approved by: Moulana Muhammad Abasoomar
This answer was collected from HadithAnswers.com. The answers were either answered or checked by Moulana Haroon Abasoomar (rahimahullah) who was a Shaykhul Hadith in South Africa, or by his son, Moulana Muhammad Abasoomer (hafizahullah), who is a Hadith specialist.