TSK
Treasury of Scripture Knowledge references in KJV.
And I will sever in that day the land of Goshen, in which my people dwell, that no swarms [of flies] shall be there; to the end thou mayest know that I [am] the LORD in the midst of the earth.
And the blood shall be to you for a token upon the houses where ye [are]: and when I see the blood, I will pass over you, and the plague shall not be upon you to destroy [you], when I smite the land of Egypt.
Then shall ye return, and discern between the righteous and the wicked, between him that serveth God and him that serveth him not.