Lev 10:1-2 That same day Nadab and Abihu, Aaron's sons, took their censers, put hot coals and incense in them, and offered "strange" fire to GOD — something GOD had not commanded. 2 Fire blazed out from GOD and consumed them — they died in GOD's presence. God doesn’t change, so if this happened then-it will happen now, but now it’s eternal