19  And he commanded them that they should ^bteach nothing save it were the things which he had taught, and which had been spoken by the mouth of the holy prophets.

  4  You shall ^adeclare the things which have been revealed to my servant, Joseph Smith, Jun. You shall begin to preach from this time forth, yea, to reap in the field which is white already to be burned.

  12  And again, the elders, priests and teachers of this church shall ^bteach the principles of my gospel, which are in the Bible and the Book of Mormon, in the which is the fulness of the gospel.

  36  Let them labor with their families, ^adeclaring none other things than the prophets and apostles, that which they have seen and heard and most assuredly believe, that the prophecies may be fulfilled.