The Holy Quran has all answers:

Submitted by MdShafiqM (Saudi Arabia), Jun 24, 2012 at 11:17

In the name of ALLAH, the Most Beneficent, the Most Merciful:

Burn therein this day for that ye disbelieved.

This day We seal up their mouths, and their hands speak out to Us and their feet bear witness as to what they used to earn.

And had We willed, We verily could have quenched their eyesight so that they should struggle for the way. Then how could they have seen?

And had We willed, We verily could have fixed them in their place, making them powerless to go forward or turn back.

Ya Seen, Sura 36, 64-67.

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