Wa izaa qeela lahum aaminoo bimaaa anzalal laahu qaaloo nu'minu bimaaa unzila 'alainaa wa yakfuroona bimaa waraaa'ahoo wa huwal haqqu musaddiqal limaa ma'ahum; qul falima taqtuloona Ambiyaaa'al laahi min qablu in kuntum mu'mineen
When it is said to them, "Believe in what Allah Hath sent down, "they say, "We believe in what was sent down to us:" yet they reject all besides, even if it be Truth confirming what is with them. Say: "Why then have ye slain the prophets of Allah in times gone by, if ye did indeed believe?"