Exo 4:23, 7:3, 13-14, 14:8 | ESV | STEP | and I say to you, Let my son go that he may serve me. If you refuse to let him go , behold, I will kill your firstborn son .

c ch. 11:9; Ps. 135:9; See Ps. 78:43-51; 105:26-36

d[See ver. 3 above]

e[See ver. 3 above]

f[See ver. 4 above]

g ch. 6:1; 13:3, 9, 16; Num. 33:3; Deut. 26:8; Acts 13:17; [ch. 3:19]

Exodus 4:23

23 and I say to you, “Let my son go that he may serve me.” If you refuse to let him go, behold, I ^awill kill your firstborn son.’”

Exodus 7:3

3 But ^bI will harden Pharaoh’s heart, and though I ^cmultiply my signs and wonders in the land of Egypt,

Exodus 7:13-14

13 Still ^dPharaoh’s heart was hardened, and he would not listen to them, ^eas the Lord had said.

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14 Then the Lord said to Moses, “Pharaoh’s heart is hardened; he refuses to let the people go.

Exodus 14:8

8 And ^fthe Lord hardened the heart of Pharaoh king of Egypt, and he pursued the people of Israel while ^gthe people of Israel were going out defiantly.