Exodus 12:13
And the blood was to you for a sign upon the houses where you are there: and I saw the blood and I passed over you, and the blow shall not be upon you to destroy, in my striking upon the land of Egypt
Hebrews 11:28
By faith he has kept the pascha, and the pouring out of blood, lest he destroying the first born should touch them.
Genesis 17:11
And ye circumcised the flesh of your uncircumcision; and it was for a sign of the covenant between me and between you.
Exodus 12:23
And Jehovah passed over to strike the Egyptians; and he saw the blood upon the lintel, and upon the two doorposts, and Jehovah passed by the door and will not give him destroying to come in to your houses to strike.
Joshua 2:12
And now, swear now to me by Jehovah, as I did with you mercy, and do ye also mercy with the house of my father, and give to me a true sign.
1 Thessalonians 1:10
And to wait for his Son from the heavens, whom be raised from the dead, Jesus, saving us from coming wrath.
1 John 1:7
But if we walk in the light, as he is in the light, we have communion with one another, and the blood of Jesus Christ cleanses us from every sin.