To those who inherit the earth in succession to its (previous) possessors, is it not a guiding, (lesson) that, if We so willed, We could punish them (too) for their sins, and seal up their hearts so that they could not hear? 100 Those villages We narrate their news to you. Their Messengers came to them with clear proofs, yet they would not believe what they had belied before; as such Allah seals the hearts of the unbelievers. 101 We did not find most of them true to their covenants; indeed We found most of them to be transgressors. 102 Then we raised after them Musa with Our communications to Firon and his chiefs, but they disbelieved in them; consider then what was the end of the mischief makers. 103 Moses said, "Pharaoh, I am a messenger from the Lord of the Universe, 104 Approved upon condition that I speak concerning Allah nothing but the truth. I come unto you (lords of Egypt) with a clear proof from your Lord. So let the Children of Israel go with me. 105 He answered: 'If you have come with a sign, show it to us if you are of the truthful' 106 Then he flung down his staff and lo! it was a serpent manifest; 107 and he drew forth his hand, and lo! it appeared [shining] white to the beholders. 108