Key See also Priesthood, Keys of key of the house of David, Isa. 22:22. ye have taken away the key of knowledge, Luke 11:52. have the keys of hell and of death, Rev. 1:18. he that hath the key of David, Rev. 3:7. to him was given the key of the bottomless pit, Rev. 9:1. greater priesthood … holdeth the key of the mysteries, D&C 84:19 (128:14). three grand keys whereby you may know whether any administration is from God, D&C 129:9. new name is the key word, D&C 130:11.