Kutoka 4 : 21 Exodus chapter 4 verse 21

Bwana akamwambia Musa, Hapo utakaporudi Misri, angalia ukazifanye mbele ya Farao zile ajabu zote nilizozitia mkononi mwako; lakini nitaufanya mgumu moyo wake, naye hatawapa ruhusa hao watu waende zao.
soma Mlango wa 4

Yahweh said to Moses, "When you go back into Egypt, see that you do before Pharaoh all the wonders which I have put in your hand, but I will harden his heart and he will not let the people go.