Exodus 9:28 in the King James Version
Intreat the LORD (for it is enough) that there be no more mighty thunderings and hail; and I will let you go, and ye shall stay no longer.
Context
27 Pharaoh sent and called for Moses and Aaron, and said to them, “I have sinned this time. The LORD is righteous, and I and my people are wicked.
28 Pray to the LORD; for there has been enough of mighty thunderings and hail. I will let you go, and you shall stay no longer.”
29 Moses said to him, “As soon as I have gone out of the city, I will spread out my hands to the LORD. The thunders shall cease, and there will not be any more hail; that you may know that the earth is the LORD’s.