Exodus 12:13

And the blood shall be to you for a token upon the houses where you 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.

Hebrews 11:28

Through faith he kept the passover, and the sprinkling of blood, lest he that destroyed the firstborn should touch them.

Genesis 17:11

And you shall circumcise the flesh of your foreskins; and it shall be a sign of the covenant between me and you.

Exodus 12:23

For the LORD will pass through to smite the Egyptians; and when he sees the blood upon the lintel, and on the two side posts, the LORD will pass over the door, and will not allow the destroyer to come in unto your houses to slay you.

Joshua 2:12

Now therefore, I pray you, swear unto me by the LORD, since I have showed you kindness, that you will also show kindness unto my father's house, and give me a true sign:

1 Thessalonians 1:10

And to wait for his Son from heaven, whom he raised from the dead, even Jesus, who delivered us from the wrath to come.

1 John 1:7

But if we walk in the light, as he is in the light, we have fellowship one with another, and the blood of Jesus Christ his Son cleanses us from all sin.

Treasury of Scripture Knowledge

Summary

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.

General references

Bible References

The blood

Exodus 12:23
For the LORD will pass through to smite the Egyptians; and when he sees the blood upon the lintel, and on the two side posts, the LORD will pass over the door, and will not allow the destroyer to come in unto your houses to slay you.
Genesis 17:11
And you shall circumcise the flesh of your foreskins; and it shall be a sign of the covenant between me and you.
Joshua 2:12
Now therefore, I pray you, swear unto me by the LORD, since I have showed you kindness, that you will also show kindness unto my father's house, and give me a true sign:
Hebrews 11:28
Through faith he kept the passover, and the sprinkling of blood, lest he that destroyed the firstborn should touch them.

And when

1 Thessalonians 1:10
And to wait for his Son from heaven, whom he raised from the dead, even Jesus, who delivered us from the wrath to come.
1 John 1:7
But if we walk in the light, as he is in the light, we have fellowship one with another, and the blood of Jesus Christ his Son cleanses us from all sin.

General references

Genesis 9:12
And God said, This is the token of the covenant which I make between me and you and every living creature that is with you, for perpetual generations:
Exodus 9:4
And the LORD shall make distinction between the cattle of Israel and the cattle of Egypt: and there shall nothing die of all belonging to the children of Israel.
Psalm 91:7
A thousand shall fall at your side, and ten thousand at your right hand; but it shall not come near you.