2 And if thou refuse to let them go, behold, I will smite all thy borders with frogs:
4 And the frogs shall come up both on thee, and upon thy people, and upon all thy servants.
7 And the magicians did so with their enchantments, and brought up frogs upon the land of Egypt.
14 And they gathered them together upon heaps: and the land stank.
23 And I will put a division between my people and thy people: to morrow shall this sign be.
25 And Pharaoh called for Moses and for Aaron, and said, Go ye, sacrifice to your God in the land.
30 And Moses went out from Pharaoh, and entreated the LORD.
32 And Pharaoh hardened his heart at this time also, neither would he let the people go.