Romans 1 & 2

As Paul writes his epistle to the Romans before his visit to them, speaking of the Savior he writes -

"By whom we have received grace and apostleship, for obedience to the faith among all nations, for his name..." (New Testament Romans 1:5)

I believe Paul is teaching here an important doctrine - that grace and callings come as a result of obedience and faith in the Lord Jesus Christ. Obedience is the demonstration of faith. Without obedience there is no apparent hope or faith. That is why Paul after hearing of the obedience and faithfulness of many of the Roman saints, writes -

"...beloved of God, called to be saints: Grace to you and peace from God our Father, and the Lord Jesus Christ." (New Testament Romans 1:7)

You can tell he longed for the fellowship with the Roman saints as he confesses -

"For I long to see you, that I may impart unto you some spiritual gift, to the end ye may be established;
12 That is, that I may be comforted together with you by the mutual faith both of you and me." (New Testament Romans 1:11 - 12)

And it is by the teaching and receiving by the Spirit that we are comforted together or edified -

"Wherefore, he that preacheth and he that receiveth, understand one another, and both are edified and rejoice together." (Doctrine and Covenants Section 50:22)

For Paul testifies -

"I am not ashamed of the gospel of Christ: for it is the power of God unto salvation to every one that believeth..." (New Testament Romans 1:16)

"For therein is the righteousness of God revealed from faith to faith: as it is written, The just shall live by faith." (New Testament Romans 1:17)

Or in other words, by righteouness, faithfulness, or obedience. For those that assume that all is necessary is to accept Christ as your Savior to establish faith must read what Paul continues to try to communicate -

"For the wrath of God is revealed from heaven against all ungodliness and unrighteousness of men, who hold the truth in unrighteousness..." (New Testament Romans 1:18)

Paul continues to write of much of this unrighteouness or ungodliness explaining that by disobediance, -

"...after thy hardness and impenitent heart treasurest up unto thyself wrath against the day of wrath and revelation of the righteous judgment of God;
6 Who will render to every man according to his deeds" (New Testament Romans 2:5 - 6)

It is clear that all mankind will receive according to our faith, deeds or works -

"To them who by patient continuance in well doing seek for glory and honour and immortality, eternal life:
8 But unto them that are contentious, and do not obey the truth, but obey unrighteousness, indignation and wrath..." (New Testament Romans 2:7 - 8)