| Verse Reference | Verse Text |
|---|---|
| Exo 4:23 | And I say unto thee, Let my son go, that he may serve me: and if thou refuse to let him go, behold, I will slay thy son, even thy firstborn. |
| Exo 8:2 | And if thou refuse to let them go, behold, I will smite all thy borders with frogs: |