Alma 1:17
17 Nevertheless, they durst not lie, if it were known, for fear of the law, for liars were punished; therefore they pretended to preach according to their belief; and now the law could have no power on any man for his belief.
Revelation 21:8
8 But the fearful, and unbelieving, and the abominable, and murderers, and whoremongers, and sorcerers, and idolaters, and all liars, shall have their part in the lake which burneth with fire and brimstone: which is the second death.
Doctrine and Covenants 63:17
17 Wherefore, I, the Lord, have said that the fearful, and the unbelieving, and all liars, and whosoever loveth and maketh a lie, and the whoremonger, and the sorcerer, shall have their part in that lake which burneth with fire and brimstone, which is the second death.