Exodus 19:6
you will be for me a kingdom of priests and a holy nation.' These are the words you are to speak to the Israelites."
Exodus 19:22
Even the priests, who approach the LORD, must consecrate themselves, or the LORD will break out against them."
1 Peter 2:9
But you are a chosen people, a royal priesthood, a holy nation, a people belonging to God, that you may declare the praises of him who called you out of darkness into his wonderful light.
Romans 15:15-16
I have written you quite boldly on some points, as if to remind you of them again, because of the grace God gave me
to be a minister of Christ Jesus to the Gentiles with the priestly duty of proclaiming the gospel of God, so that the Gentiles might become an offering acceptable to God, sanctified by the Holy Spirit.
2 Timothy 1:6-7
For this reason I remind you to fan into flame the gift of God, which is in you through the laying on of my hands.
For God did not give us a spirit of timidity, but a spirit of power, of love and of self-discipline.