'Kingdom of Priests' in the Bible

And ye shall be unto me a kingdom of priests, and an holy nation. These are the words which thou shalt speak unto the children of Israel.

and he made us ' a Kingdom of Priests in the service of God,' his Father! --to Him be ascribed glory and dominion for ever. Amen.

and didst make them a Kingdom of Priests in the service of our God, and they are reigning upon the earth.'