Question: What is the “more sure word of Prophecy” that Enos was assured for his faithful life?
Answer: Enos was assured through the “more sure word of prophecy” of the rewards of a faithful life (Enos 1:27).
“And I soon go to the place of my rest, which is with my Redeemer; for I know that in him I shall rest. And I rejoice in the day when my mortal shall put on immortality, and shall stand before him; then shall I see his face with pleasure, and he will say unto me: Come unto me, ye blessed, there is a place prepared for you in the mansions of my Father. Amen.” (Enos 1:27)
Joseph Smith taught that “the more sure word of prophecy means a man’s knowing that he is sealed up unto eternal life” or that his calling and election is sure (D&C 131:5).
Many have supposed that Enos may not have been a faithful man before the time that is recorded in the book of Enos. However, it is unlikely he would have experienced this great event had he not already lived a good life up to that point. Enos was a righteous man of God.
This idea is born out in his words:
“And I saw that I must soon go down to my grave, having been wrought upon by the power of God that I must preach and prophesy unto this people, and declare the word according to the truth which is in Christ. And I have declared it in all my days, and have rejoiced in it above that of the world.” (Enos 1:26)
Source: 400 Questions and Answers About the Book of Mormon by Susan Easton Black, p. 124; The Book of Mormon.