the koran.

you don't see, because you are blinded.
he has left you in darkness.
you don't see because you are left in darkness.
deaf, dumb and blind.
they will never return to the right path.
or like this fool who, beneath a dark storm cloud charged with thunder and and lightning, thrust their fingers into their ears for fear of death and when the lightning flashes they hide, they are scared.
they walk on, but in darkness, they stand still.
2:18

if what you say is true, if you doubt me.
bring your idols to assist, but be ready to fail.
2:23