Luke 1:72-73

to perform his mercy with our fathers, and to remember his holy covenant,

Hebrews 6:16-18

For men indeed swear by a greater, and an oath for confirmation is to them an end of all dispute;

Hebrews 7:26

For such a chief priest also was suitable for us, holy, harmless, undefiled, separated from sinners, and made higher than the heavens,

Hebrews 10:21

and [having] a great priest over the house of God,

Hebrews 13:15

Through him, therefore, let us offer the sacrifice of praise continually to God, that is, the fruit of lips confessing his name.

1 Peter 2:5

do you also yourselves be built up living stones, a spiritual house, a holy priesthood, to offer spiritual sacrifices well pleasing 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 such a chief priest also was suitable for us, holy, harmless, undefiled, separated from sinners, and made higher than the heavens,
Hebrews 10:21
and [having] a great priest over the house of God,
Hebrews 13:15
Through him, therefore, let us offer the sacrifice of praise continually to God, that is, the fruit of lips confessing his name.
1 Peter 2:5
do you also yourselves be built up living stones, a spiritual house, a holy priesthood, to offer spiritual sacrifices well pleasing to God through Jesus Christ,

Which the

Luke 1:72
to perform his mercy with our fathers, and to remember his holy covenant,
Hebrews 6:16
For men indeed swear by a greater, and an oath for confirmation is to them an end of all dispute;