We have explained in various ways in this Quran, for the benefit of mankind, all kinds of examples, but man is most contentious. 54 And naught prevented men from believing when the guidance came unto them, and seeking their Lord's forgiveness, but that the wont of the ancients should come upon them, or that the chastisement should come upon them face to face. 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 is more unjust than one who is reminded of the verses of his Lord but turns away from them and forgets what his hands have put forth? Indeed, We have placed over their hearts coverings, lest they understand it, and in their ears deafness. And if you invite them to guidance - they will never be guided, then - ever. 57 Thy Lord is the Forgiver, Full of Mercy. If He took them to task (now) for what they earn, He would hasten on the doom for them; but theirs is an appointed term from which they will find no escape. 58 And (as for) these towns, We destroyed them when they acted unjustly, and We have appointed a time for their destruction. 59