We have created them and strengthened their forms, and when We will, We can change their likenesses with [complete] alteration.
The Saheeh International Quran Translation
نَّحْنُ خَلَقْنَٰهُمْ وَشَدَدْنَآ أَسْرَهُمْ وَإِذَا شِئْنَا بَدَّلْنَآ أَمْثَٰلَهُمْ تَبْدِيلًاWe have created them and strengthened their forms, and when We will, We can change their likenesses with [complete] alteration.