12 But the LORDE hardened Pharaos hert, so that he herkened not vnto them, eue as the LORDE had sayde vnto Moses.
Exodus 9:12 Cross References - Coverdale
Exodus 4:21
21 And the LORDE saide vnto Moses: When thou comest agayne in to Egipte, se yt thou do all the wonders (before Pharao) which I haue put in yi hade. But I wil harde his hert, yt he shall not let the people go.