Elihu accuses Job of being apathetic and yearning for irreverent talk. Irreverent means showing a lack of respect for people or things that are generally taken seriously. Right before that, Job said that ears test the words it hears.
Job speaks of things that people know to do – advancements that people have made in science. In verse 5 he says how the earth is melted by fire. I find it amazing that in 2000-1800 BC, they already knew that the earth had a fiery core.
In Job 16, we see Job at one of his lowest points. Surrounded by friends who wound him with accusations instead of comfort, Job feels crushed and abandoned. Yet, in verse 19, he lifts his eyes and declares:
