Exodus 12:13

The blood shall be a sign for you on [the doorposts of] the houses where you live; when I see the blood I shall pass over you, and no affliction shall happen to you to destroy you when I strike the land of Egypt.

Hebrews 11:28

By faith he kept the Passover and the sprinkling of the blood [on the doorposts], so that the destroyer of the firstborn would not touch them (the firstborn of Israel).

Genesis 17:11

And you shall be circumcised in the flesh of your foreskins, and it shall be the sign (symbol, memorial) of the covenant between Me and you.

Exodus 12:23

For the Lord will pass through to strike the Egyptians; and when He sees the blood on the lintel [above the entry way] and on the two doorposts, the Lord will pass over the door and will not allow the destroyer to come into your houses to slay you.

Joshua 2:12

And now, please swear [an oath] to me by the Lord, since I have shown you kindness, that you also will show kindness to my father’s household (family), and give me a pledge of truth and faithfulness,

1 Thessalonians 1:10

and to [look forward and confidently] wait for [the coming of] His Son from heaven, whom He raised from the dead—Jesus, who [personally] rescues us from the coming wrath [and draws us to Himself, granting us all the privileges and rewards of a new life with Him].

1 John 1:7

but if we [really] walk in the Light [that is, live each and every day in conformity with the precepts of God], as He Himself is in the Light, we have [true, unbroken] fellowship with one another [He with us, and we with Him], and the blood of Jesus His Son cleanses us from all sin [by erasing the stain of sin, keeping us cleansed from sin in all its forms and manifestations].

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 strike the Egyptians; and when He sees the blood on the lintel [above the entry way] and on the two doorposts, the Lord will pass over the door and will not allow the destroyer to come into your houses to slay you.
Genesis 17:11
And you shall be circumcised in the flesh of your foreskins, and it shall be the sign (symbol, memorial) of the covenant between Me and you.
Joshua 2:12
And now, please swear [an oath] to me by the Lord, since I have shown you kindness, that you also will show kindness to my father’s household (family), and give me a pledge of truth and faithfulness,
Hebrews 11:28
By faith he kept the Passover and the sprinkling of the blood [on the doorposts], so that the destroyer of the firstborn would not touch them (the firstborn of Israel).

And when

1 Thessalonians 1:10
and to [look forward and confidently] wait for [the coming of] His Son from heaven, whom He raised from the dead—Jesus, who [personally] rescues us from the coming wrath [and draws us to Himself, granting us all the privileges and rewards of a new life with Him].
1 John 1:7
but if we [really] walk in the Light [that is, live each and every day in conformity with the precepts of God], as He Himself is in the Light, we have [true, unbroken] fellowship with one another [He with us, and we with Him], and the blood of Jesus His Son cleanses us from all sin [by erasing the stain of sin, keeping us cleansed from sin in all its forms and manifestations].

General references

Genesis 9:12
And God said, “This is the token (visible symbol, memorial) of the [solemn] covenant which I am making between Me and you and every living creature that is with you, for all future generations;
Exodus 9:4
But the Lord will make a distinction between the livestock of Israel and the livestock of Egypt, so that nothing that belongs to the Israelites will die.”’”
Psalm 91:7

A thousand may fall at your side
And ten thousand at your right hand,
But danger will not come near you.