His heart is as firm as a stone - As hard; as solid. Bochart remarks that the word “heart” here is not to be regarded as denoting t…

His heart — i.e., his nature, his disposition. This seems to be the meaning, rather than the physical organ of life.

His heart is as firm as a stone; yea, as hard as a piece of
the nether [millstone] .
…

The description of the Leviathan is further to convince Job of his own weakness and of God's almighty power. Whether this Leviathan is a whale or a…

After describing the structure of Leviathan, the Lord next describes its powerful actions. Just as He first described the arrangement of its head a…