And they say when the Prophet promised them the Fire ‘the Fire shall not touch us that is afflict us save a number of days’ only a short time of forty days the same length of time their forefathers worshipped the calf after which time it the Fire will cease. Say to them Muhammad (s) ‘Have you taken with God a covenant? a pledge from Him to this? God will not fail in His covenant in this matter or — nay — say you against God what you do not know? a’ttakhadhtum the conjunctive hamza has been omitted on account of the interrogative hamza sufficing.