Philippians 1:29 reveals that suffering is part of the good work God began — a specific aspect of His completing work.

Philippians 1:10 expands on living blameless until Christ's day, flowing from the assurance of completion in verse 6.

Philippians 2:13 expands on how God completes the work — by actively working in believers' wills and actions.

1 Corinthians 1:8 confirms God will keep believers blameless to the end, matching this promise of completion.

1 Thessalonians 5:24 affirms God's faithfulness to do it, reinforcing the same assurance of completion.

1 Thessalonians 5:23 prays for complete sanctification and preservation blameless at Christ's coming, directly echoing this promise of completion.

In James 1:16-18, God gives every good gift and brings us forth—consistent with the 'good work' begun, and his unchanging nature guarantees completion.

Ephesians 2:4-10 describes believers as God's handiwork created for good works — the good work He began and prepared in advance.

In 2 Thessalonians 2:13, God's choice and sanctification parallel the 'good work' begun—both assure final salvation.

Romans 8:28-30 outlines the complete salvation process from foreknowledge to glorification — the 'good work' God carries to completion.

Acts 16:14 illustrates God beginning the good work — opening Lydia's heart to respond, a concrete example of divine initiation.

In 2 Thessalonians 2:14, God's call through the gospel leads to glory—the same completion promised in the day of Christ.

In Psalm 138:8, the same confidence: God fulfills his purpose and won't abandon his work—the OT basis for Paul's assurance.

In Hebrews 13:21, God equips and works in believers—directly mirroring the 'began a good work' and its completion in Philippians 1:6.

Hebrews 12:2 calls Jesus the author and finisher of faith, directly paralleling the one who begins and completes the work.

Ephesians 2:10 calls believers God's workmanship created for good works, directly paralleling the 'good work' God began.

1 Timothy 6:14 exhorts keeping the commandment until Christ's appearing, matching the 'until the day of Christ Jesus' timeframe.

2 Corinthians 1:14 also references the day of the Lord Jesus as a time of mutual boasting, echoing the same eschatological climax.

John 10:28 assures that no one can snatch believers from Jesus' hand—directly parallels the guarantee that God will complete His work.

In Malachi 3:6, God's unchanging nature guarantees His faithfulness – the foundation for Paul's confidence that He will finish the good work.

In Psalm 57:2, David trusts God who accomplishes all things for him – a direct parallel to Paul's confidence that God will complete His work.

1 Peter 1:5 describes God's power guarding believers for salvation, akin to God carrying the work to completion.

1 Peter 5:10 promises God will perfect and establish believers after suffering, similar to the guarantee of completion here.

In Titus 3:4-6, God's mercy initiates salvation—matching the 'began a good work'—though Paul here focuses on the start rather than completion.

2 Thessalonians 1:11 prays for God to fulfill every good work of faith, aligning with the confidence He will complete it.

In 1 Kings 8:20, Solomon sees God fulfilling His promise to David – a pattern of God completing what He begins, supporting Paul's confidence.

1 Samuel 12:22 assures God will not forsake His people, echoing the faithfulness to complete His work in believers.