Faith and priesthood go hand in hand. Faith is power and power is priesthood.

God is God because He is the embodiment of all faith and all power and all priesthood. The life He lives is named eternal life.

And the extent to which we become like Him is the extent to which we gain His faith, acquire His power, and exercise His priesthood. And when we have become like Him in the full and true sense, then we also shall have eternal life.

Faith and priesthood go hand in hand. Faith is power and power is priesthood. After we gain faith, we receive the priesthood. Then, through the priesthood, we grow in faith until, having all power, we become like our Lord.
Bruce R. McConkie, Ensign April 2017, The Power of God