Proverbs 29:1 He, that being often reproved
hardeneth his neck, shall suddenly be destroyed, and that without remedy.
1 Nephi 3:124 And the angel spake unto me, saying, Behold the fountain of filthy water which thy father saw; yea, even the river of which he spake; and the depths thereof are the depths of hell;
Alma 9:54 But God did call on men, in the name of his Son, (this being the plan of redemption which was laid,) saying: If ye will repent, and harden not your hearts, then will I have mercy upon you, through mine only begotten Son.