teachers of this church shall teach the principles of my gospel, D&C 42:12.
be instructed more perfectly … in principle, D&C 88:78 (97:14).
Given for a principle with promise, D&C 89:3.
supporting that principle of freedom, D&C 98:5.
every man may act in doctrine and principle, D&C 101:78.
In case of difficulty respecting doctrine or principle, D&C 102:23.
Zion … be built up … by the principles of the law, D&C 105:5.
cannot be controlled nor handled only upon the principles of righteousness, D&C 121:36.
Whatever principle of intelligence we attain unto, D&C 130:18.