Doctrine and Covenants See also Book of Commandments; Scriptures importance of Doctrine and Covenants, D&C 70:Â Intro. knowledge of bishopric given in Doctrine and Covenants, D&C 124:141. meeting to consider contents of first edition of Doctrine and Covenants, D&C 134:Â Intro. Joseph Smith brought forth revelations of Doctrine and Covenants, D&C 135:3. Doctrine and Covenants cost best blood of century, D&C 135:6.