Once again, “changed his mind” is an English phrase, not a Hebrew one, and you could easily get the wrong idea. I’m not questioning Yahweh’s omniscience or saying he changed his knowledge. Rather, it seems that he changed his attitude or relationship toward Nineveh. Once again, see Bruce Ware’s in-depth explanation: www.etsjets.org/files/JETS-PDFs/29/29-4/29-4-pp431-446_JETS.pdf.