life-giving union with Christ
"For with the heart one believes and is justified..." (Romans 10:10a ESV) The heart is the chief thing in believing; for into the heart Christ is received, and in it he dwells by faith. The vital union between Christ and the believer is manifested and made known in the heart, and there it is cemented and established. With joy can the believer say, "My Beloved is mine, and I am his!" What happiness for me -- we are but one person in the eye of the law, and our vested interests are but one. What a blessed state is this! Christ gives himself freely to the believer, who also gives himself up in faith to Christ. Christ as the believer's surety has taken his sins upon himself, and the believer takes Christ's righteousness; for Christ makes over all that he has to the believer, who by faith looks upon it and makes use of it as his own; according to that express warrant for his so doing in 1 Cor. 3: 22, 23 -- "All things are yours, because you belong to Christ