they assumed there would be no punishment so they turned blind and deaf. then god redeemed them but then again many of them turned blind and deaf. but god is seeing of what they do.
وحسبوا ألا تكون فتنة فعموا وصموا ثم تاب الله عليهم ثم عموا وصموا كثير منهم والله بصير بما يعملون