Numbers 6:23
“Tell Aaron and his sons:This is how you are to bless the Israelites. Say to them:
What it says
Moses is to tell Aaron and his sons that this is how they are to bless the Israelites.
What it is doing
It appoints the priests as the speakers of the blessing.
In context
22Then the LORD said to Moses, 23“Tell Aaron and his sons:This is how you are to bless the Israelites. Say to them: 24‘May the LORD bless you 25may the LORD cause His face to shine upon you 26may the LORD lift up His countenance toward you 27So they shall put My name on the Israelites, and I will bless them.”