We have set forth for people in this Koran all manner of parables; the human is the most disputatious of things. 54 What prevents people from having faith when guidance comes to them or from asking for forgiveness from their Lord before they face the kind of torment that the ancient people experienced or a new form of torment. 55 But We send [Our] message-bearers only as heralds of glad tidings and as warners - whereas those who are bent on denying the truth contend [against them] with fallacious arguments, so as to render void the truth thereby, and to make My messages and warnings a target of their mockery. 56 And who doth more wrong than one who is reminded of the Signs of his Lord, but turns away from them, forgetting the (deeds) which his hands have sent forth? Verily We have set veils over their hearts lest they should understand this, and over their ears, deafness, if thou callest them to guidance, even then will they never accept guidance. 57 Your Lord is All-forgiving and All-merciful. Had He wanted to punish them for their sins, He would have been prompt to torment them. For their punishment there is an appointed time, after which there will be no way for them to escape. 58 We destroyed these communities when they went on doing wrong, and We appointed a time for their destruction. 59