The priestly ble ing is appointed as a solemn form to be used by the priests exclusively, and in this function their office, as it were, culminates…

The Lord make his face to shine upon you
Cause himself, the sun of righteousness, to arise and shine upon them, and …

The priests were solemnly to bless the people in the name of the Lord. To be under the almighty protection of God our Saviour; to enjoy his favour …