Paul's rejoicing in confidence is a recurring theme throughout his epistles, reflecting his unwavering trust in God and the work of the Holy Spirit in the lives of believers. This confidence is not rooted in human ability or circumstances but in the assurance of God's faithfulness and the transformative power of the Gospel.

Philippians 1:6
In his letter to the Philippians, Paul expresses profound confidence in God's ongoing work in the lives of believers: "being confident of this, that He who began a good work in you will continue to perfect it until the day of Christ Jesus" (Philippians 1:6). This verse encapsulates Paul's belief that the spiritual growth and sanctification of Christians are guaranteed by God's active involvement. His confidence is a source of joy, knowing that God's purposes will be fulfilled.

2 Corinthians 3:4-5
Paul's confidence is also evident in his ministry. In 2 Corinthians 3:4-5, he writes, "Such confidence before God is ours through Christ. Not that we are competent in ourselves to claim that anything comes from us, but our competence comes from God" . Here, Paul acknowledges that his ability to minister effectively is not due to his own skills or merits but is entirely dependent on God's empowerment. This reliance on divine strength is a cause for rejoicing, as it underscores the sufficiency of Christ in all things.

Romans 8:38-39
In Romans 8:38-39, Paul declares his unshakeable confidence in the love of God: "For I am convinced that neither death nor life, neither angels nor principalities, neither the present nor the future, nor any powers, neither height nor depth, nor anything else in all creation, will be able to separate us from the love of God that is in Christ Jesus our Lord" . This passage highlights Paul's assurance that nothing can sever the bond between believers and their Savior, a truth that brings immense joy and peace.

2 Timothy 1:12
Paul's personal confidence in God's faithfulness is poignantly expressed in 2 Timothy 1:12: "For this reason, even though I suffer as I do, I am not ashamed, because I know whom I have believed, and I am convinced that He is able to guard what I have entrusted to Him for that day" . Despite facing persecution and hardship, Paul rejoices in the certainty that God will preserve his faith and reward his trust.

Ephesians 3:12
In Ephesians 3:12, Paul speaks of the boldness and confidence believers have through faith in Christ: "In Him and through faith in Him we may enter God's presence with boldness and confidence" . This access to God is a profound privilege that brings joy and assurance, knowing that believers can approach their Heavenly Father without fear or hesitation.

Paul's rejoicing in confidence is a testament to his deep faith and trust in God's promises. His writings encourage believers to find joy in the certainty of God's love, the assurance of salvation, and the ongoing work of the Holy Spirit in their lives.