Luke 1:72-73

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

Hebrews 6:16-18

For men verily swear by the greater, and an oath for confirmation is to them an end of all contradiction.

Hebrews 7:26

For such an high priest became us, holy, harmless, undefiled, separated from sinners, and made higher than the heavens:

Hebrews 10:21

that is, his flesh, And having an high-priest over the house of God;

Hebrews 13:15

By him therefore let us offer the sacrifice of praise continually to God, that is, the fruit of our lips, giving thanks to his name.

1 Peter 2:5

but chosen of God and precious, Ye also as living stones are built up, a spiritual house, an holy priesthood, to offer up spiritual sacrifices, acceptable to God thro' 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 such an high priest became us, holy, harmless, undefiled, separated from sinners, and made higher than the heavens:
Hebrews 10:21
that is, his flesh, And having an high-priest over the house of God;
Hebrews 13:15
By him therefore let us offer the sacrifice of praise continually to God, that is, the fruit of our lips, giving thanks to his name.
1 Peter 2:5
but chosen of God and precious, Ye also as living stones are built up, a spiritual house, an holy priesthood, to offer up spiritual sacrifices, acceptable to God thro' Jesus Christ.

Which the

Luke 1:72
To perform the mercy promised to our fathers, and to remember his holy covenant,
Hebrews 6:16
For men verily swear by the greater, and an oath for confirmation is to them an end of all contradiction.