Introduction:
"Blessed Assurance" is a term that encapsulates the confidence and peace believers find in their salvation through Jesus Christ. This assurance is rooted in the promises of God as revealed in Scripture, providing believers with a steadfast hope and certainty of eternal life.

Biblical Foundation:
The concept of assurance is deeply embedded in the New Testament, where believers are encouraged to trust in the promises of God for their salvation. In 1 John 5:13, the apostle John writes, "I have written these things to you who believe in the name of the Son of God, so that you may know that you have eternal life." This verse underscores the certainty and knowledge of salvation that believers can possess.

Romans 8:16-17 further affirms this assurance: "The Spirit Himself testifies with our spirit that we are God’s children. And if we are children, then we are heirs: heirs of God and co-heirs with Christ—if indeed we suffer with Him, so that we may also be glorified with Him." The indwelling of the Holy Spirit serves as a witness to the believer's status as a child of God, providing an internal confirmation of their salvation.

Theological Significance:
The assurance of salvation is a key tenet of Christian theology, emphasizing the security and permanence of the believer's relationship with God. This assurance is not based on human merit or works but on the finished work of Christ on the cross. Ephesians 2:8-9 states, "For it is by grace you have been saved through faith, and this not from yourselves; it is the gift of God, not by works, so that no one can boast." Salvation is a gift, and the assurance of it is grounded in God's grace and faithfulness.

Practical Implications:
The assurance of salvation has profound implications for the believer's life. It provides peace and confidence in the face of trials and uncertainties. Philippians 4:7 promises, "And the peace of God, which surpasses all understanding, will guard your hearts and your minds in Christ Jesus." This peace is a direct result of the assurance that believers have in their eternal destiny.

Moreover, this assurance motivates believers to live holy and obedient lives, as they are secure in their identity in Christ. In 2 Peter 1:10, believers are exhorted, "Therefore, brothers, strive to make your calling and election sure. For if you practice these things, you will never stumble." The assurance of salvation encourages a life of diligence and faithfulness.

Hymnology:
The term "Blessed Assurance" is also famously associated with the hymn written by Fanny J. Crosby in 1873. The hymn reflects the joy and confidence of a believer who rests in the promises of God. Its lyrics celebrate the personal relationship with Jesus and the certainty of salvation, resonating with the biblical truths of assurance.

Conclusion:
While the entry does not include a formal conclusion, it is evident that the assurance of salvation is a foundational aspect of the Christian faith, providing believers with peace, confidence, and motivation for holy living. The biblical and theological underpinnings of this assurance are central to understanding the security and hope that come from a relationship with Jesus Christ.