A burnt offering and sacrifices - This verse clearly shows that Jethro was recognized as a priest of the true God, and is of great importance in its bearings upon the relation between the Israelites and their congeners, and upon the state of religion among the descendants of Abraham.
Related Commentaries of Exodus 18:12
Exodus 18:12
12 And Jethro, Moses' father in law, took a burnt offering and sacrifices for God: and Aaron came, and all the elders of Israel, to eat bread with Moses' father in law before God.