Certainty of Divine Power

نَّحْنُ خَلَقْنَـٰهُمْ وَشَدَدْنَآ أَسْرَهُمْ ۖ وَإِذَا شِئْنَا بَدَّلْنَآ أَمْثَـٰلَهُمْ تَبْدِيلًا

We have created them and strengthened their forms, and when We will, We can change their likenesses with [complete] alteration.