Note the illustrations.
(1) Contact with Phoenician commerce, and joint expeditions in ships of Tarshish (see Psalms 72:10 note), had made the Israelites familiar with the risks and the enterprise of the miller’s life. Compare Job 28:
(2) The treasure hidden in a field, is the second point of comparison. Such treasure-seeking has always been characteristic of the East. Compare Matthew 13:44.