Part One: The eschatological tension and staying in -- I. Continuity in salvation -- God's saving works and final salvation -- Romans 8:29, 30 -- 2 Thessalonians 2:13, 14 -- 1 Thessalonians 5:9 -- The Spirit as guarantee -- Romans 8:23; 2 Corinthians 1:22; 5:5 -- Finishing the "good work" -- Philippians 1:6 II. Tension in continuity -- "Hope that does not disappoint" -- Romans 5:1-11 -- Victory in trials and tribulation -- Romans 8:28, 35-39 -- Salvation at the Last Judgment -- Romans 8:31-34 -- "God is faithful!" -- 2 Thessalonians 3:3; 1 Corinthians 10:13 -- 1 Thessalonians 5:23, 24 -- 1 Corinthians 1:8,9 Part Two: Conduct and falling away -- III. "Destruction" of the weak -- Romans 14:1-23; 1 Corinthians 8:7-13 -- IV. Punishment of the disobedient -- To "eat" and "drink" judgment -- 1 Corinthians 11:27-34 -- Excursus: Divine chastisement in OT-Jewish thought and the NT -- Deliverance to Satan -- 1 Corinthians 5:1-5 -- Beware not to fall! -- 1 Corinthians 10:12 -- V. Exclusion of evildoers from the kingdom -- 1 Corinthians 6:9-11 -- Galatians 5:19-21 Part Three: Faith and falling away -- VI. Israel, the Gentiles, and the gospel -- Israel's unbelief -- Romans 9-11 -- Gentiles' boasting -- Romans 11:17-24 -- VII. Believers' turning away -- Justification by law and falling from grace -- Galatians 5:1-4 -- Failing the test of faith -- 2 Corinthians 13:5 Part Four: Final outcome of mission -- VIII. Paul's hope -- Passing the test -- 1 Corinthians 9:27 -- Becoming the gospel's partner -- 1 Corinthians 9:23 -- Attaining the final goal -- Philippians 3:11,12 -- IX. Paul's labor and Christians' faith -- Laboring in vain -- Philippians 2:16; 1 Thessalonians 3:5; Galatians 2:2; 4:11 -- Believing in vain -- 1 Corinthians 15:2 -- Receiving grace in vain -- 2 Corinthians 6:1.