See Malachi 4:5.
See 2 Peter 1:10. JS referred to the idea that individuals could have their “calling and election sure” in an 1839 discourse as well as in two discourses delivered in May 1843. (Discourse, between ca. 26 June and ca. 2 July 1839; Discourse, 14 May 1843; Discourse, 21 May 1843.)