when a miracle is shown to them they say we will not believe unless we are shown a miracle like that shown to the messengers of god. god knows best whom to appoint as his messenger. the sinful ones are worthless in the sight of god and they deserve a severe punishment for their evil plans.
وإذا جاءتهم آية قالوا لن نؤمن حتى نؤتى مثل ما أوتي رسل الله الله أعلم حيث يجعل رسالته سيصيب الذين أجرموا صغار عند الله وعذاب شديد بما كانوا يمكرون