Has it not become clear to those who inherited the earth after its [previous] people that if We willed, We could afflict them for their sins? But We seal over their hearts so they do not hear. 100 Such were the towns whose story We (thus) relate unto thee: There came indeed to them their messengers with clear (signs): But they would not believe what they had rejected before. Thus doth Allah seal up the hearts of those who reject faith. 101 We did not find many among them keeping their promises. However, We did find many evil-doers among them. 102 After them We sent Moses with Our signs to Pharaoh and his chiefs. But they willfully rejected them. Consider the end of the evil-doers. 103 And Moses said, "O Pharaoh, I am a messenger from the Lord of the worlds 104 “It is obligatory for me not to speak concerning Allah except the truth; I have come to you all with a clear sign from your Lord, therefore let the Descendants of Israel go with me.” 105 Said he, 'If thou hast brought a sign, produce it, if thou speakest truly.' 106 So Moses threw down his staff and suddenly it turned into a real serpent. 107 And putting his hand in his bosom, withdrew it – so it shone brightly before the beholders. 108