what is urim and thummim
According to Exodus 28:30, it was Moses that instituted the use of the Urim and Thummim by the Priest of Israel to know the will of God. Moses speaking in Exodus 28:30 Also put the Urim and the Thummim in the breastpiece, so they may be over Aaron's heart whenever he enters the presence of the LORD.n ancient Israelite religion and culture, Urim and Thummim is a phrase from the Hebrew Bible associated with the Hoshen (High Priest's breastplate), divination in general, and cleromancy in particular. Most scholars suspect that the phrase refers to specific objects involved in the divination.