The Jews eagerly dwelt in Medina, in order to help their promised prophet, and to welcome Mohammad's teachings; but when he came to them, they took up an attitude of arrogant rejection; and to this effect the verse revealed that: ``When there came to them a BOOK from Allah, confirming what was with them, (being similar in form and language to what they had already received) they refused to believe in it, and so the curse of Allah fell upon them.''