The book of Romans gives us certainty and peace—certainty of how God’s plan of salvation works, and peace when we see how the love and mercy of a righteous God has provided for our reconciliation to Him. Chapter 1 of this awesome book begins by identifying the barrier between God and man, and the weapon that can overcome it.

Romans - Be transformed: Understand how salvation and sanctification work,
and believe it (embrace it) for yourself.
(embrace it – live in accordance with it; act on it; let it change and enrich you)

Ch. 1  The solution to the problem of sin, is faith in the gospel of Jesus Christ.
v.1-17  We are sent to all nations (to help with the problem of sin), and we bear the powerful weapon of the gospel of Jesus Christ. ...