12:7 teach thee. The beasts, the fowls, the fishes, and the earth itself had been placed under man’s dominion (Genesis 1:26,28). To exercise that dominion, men would need first of all to learn from the creation its physical and biological processes.
12:9 Who knoweth not. In the scientific study of zoology, geology, and the other sciences, the most obvious lesson they will teach an honest student is the truth of their special creation by an omnipotent, omniscient Creator.
12:10 breath of all mankind. Compare Acts 17:28. Job’s concept of God certainly was different from the pantheism carried from Babel to most of the world. Job recognized God as Creator, not as part of nature.