Kutoka 9 : 35 Exodus chapter 9 verse 35

Moyo wa Farao ukawa ni mgumu naye hakuwapa wana wa Israeli ruhusa waende zao; kama Bwana alivyonena kwa kinywa cha Musa. </p>
soma Mlango wa 9

The heart of Pharaoh was hardened, and he didn't let the children of Israel go, just as Yahweh had spoken through Moses.