Job 41:23 KJV
The flakes of his flesh are joined together: they are firm in themselves; they cannot be moved.
Job 41:23, King James Version
In context
22 In his neck remaineth strength, and sorrow is turned into joy before him.
23 The flakes of his flesh are joined together: they are firm in themselves; they cannot be moved.
24 His heart is as firm as a stone; yea, as hard as a piece of the nether millstone.