Luke 1:72-73

To perform the mercy promised to our fathers and to remember his holy covenant,

Hebrews 6:16-18

Men swear by one greater than themselves, and in all their disputes the oath is final for confirmation.

Hebrews 7:26

For it was fitting that we should have such a high priest, holy, blameless, unstained, separated from sinners, exalted above the heavens.

Hebrews 10:21

and since we have a great priest over the house of God,

Hebrews 13:15

Through him then let us continually offer up a sacrifice of praise to God, that is, the fruit of lips that acknowledge his name.

1 Peter 2:5

you also, like living stones, are being built into a spiritual house to be a holy priesthood, to offer spiritual sacrifices acceptable to God through Jesus Christ.

Treasury of Scripture Knowledge

Summary

And thou shalt go unto the priest that shall be in those days, and say unto him, I profess this day unto the LORD thy God, that I am come unto the country which the LORD sware unto our fathers for to give us.

Bible References

The priest

Hebrews 7:26
For it was fitting that we should have such a high priest, holy, blameless, unstained, separated from sinners, exalted above the heavens.
Hebrews 10:21
and since we have a great priest over the house of God,
Hebrews 13:15
Through him then let us continually offer up a sacrifice of praise to God, that is, the fruit of lips that acknowledge his name.
1 Peter 2:5
you also, like living stones, are being built into a spiritual house to be a holy priesthood, to offer spiritual sacrifices acceptable to God through Jesus Christ.

Which the

Luke 1:72
To perform the mercy promised to our fathers and to remember his holy covenant,
Hebrews 6:16
Men swear by one greater than themselves, and in all their disputes the oath is final for confirmation.