(Exodus 18:12) "And Yithro, Moses' father-in-law took a burnt-offering and peace-offerings (for sacrifice) to G–d.": Scripture registers wonder here: A man who had worshipped idolatry and who had poured libations and bowed down to idolatry now brings a burnt-offering and sacrifices to G–d!
Took a Burnt-offering and Peace-offerings for Sacrifice to God
Mekhilta Tractate Amalek 3:44