The priesthood is the authority of God delegated to men on the earth to act in all things for the salvation of mankind (see Spencer W. Kimball, "The Example of Abraham," Ensign, June 1975, 3). Priesthood is the means whereby the Lord acts through men to save souls. One of the defining features of the Church of Jesus Christ, both anciently and today, is His authority. There can be no true Church without divine authority.
Ordinary men are given the authority of the priesthood. Worthiness and willingness--not experience, expertise, or education--are the qualifications for priesthood ordination.
The pattern for obtaining priesthood authority is described in the fifth article of faith: "We believe that a man must be called of God, by prophecy, and by the laying on of hands by those who are in authority, to preach the Gospel and administer in the ordinances thereof." Thus, a boy or a man receives the authority of the priesthood and is ordained to a specific office by one who already holds the priesthood and has been authorized by a leader with the necessary priesthood keys.
A priesthood holder is expected to exercise this sacred authority in accordance with God's holy mind, will, and purposes. Nothing about the priesthood is self-centered. The priesthood always is used to serve, to bless, and to strengthen other people.
The higher priesthood is received by a solemn covenant that includes the obligation to act in the authority (see D&C 68:8) and the office (see D&C 107:99) that have been received. As bearers of God's holy authority, we are agents to act and not objects to be acted upon (see 2 Nephi 2:26). The priesthood is inherently active rather than passive.
- David A. Bednar, “The Powers of Heaven” – April 2012 General Conference