1475 Allah's Truth is all one, and even in different forms men sincere in Religion recognise the oneness. So sincere Jews like 'Abd Allah ibn Salam, and sincere Christians like Waraqah or the Nestorian monk Bahirah, were ready to recognise the mission of Muhammad al Mustafa. "The Book" in this connection is Revelation generally, including pre-Islamic revelations. 1476 Cf.
3:60 and n. 399.