(They said: O Salih! Thou hast been among us hitherto) i.e. before you called us to follow other than the religion of our forefathers (as that wherein our hope was placed) we had hope in you. (Dost thou ask us not to worship what our fathers worshipped) of idols? (Lo! we verily are in grave doubt concerning that to which thou callest us) i.e. your religion.