Definition and Significance:
Repetition of praise in the Bible refers to the recurring theme of exalting and glorifying God through repeated expressions of adoration, thanksgiving, and worship. This practice is deeply rooted in the biblical tradition and serves to reinforce the believer's devotion, acknowledge God's attributes, and foster a communal spirit of worship.

Biblical Examples:
The Psalms are replete with examples of repeated praise, often using parallelism and refrains to emphasize God's greatness and faithfulness. Psalm 136 is a quintessential example, where the phrase "His loving devotion endures forever" is repeated in every verse, underscoring the eternal nature of God's love and mercy. This repetition serves both as a reminder and a declaration of God's unchanging character.

In the New Testament, the book of Revelation provides a vivid depiction of heavenly worship, where repetition plays a crucial role. Revelation 4:8 describes the four living creatures, who "day and night never stop saying: 'Holy, holy, holy is the Lord God Almighty, who was, and is, and is to come!'" This thrice-repeated declaration of God's holiness highlights His supreme and eternal nature.

Theological Implications:
Repetition of praise is not merely a literary device but a profound theological expression. It reflects the infinite worthiness of God, who deserves continuous and unending worship. The act of repeating praise serves to engrain the truths of God's character into the hearts and minds of believers, fostering a deeper understanding and appreciation of His divine attributes.

Moreover, repetition in praise can be seen as an act of spiritual discipline. It encourages believers to focus their thoughts and hearts on God, cultivating a spirit of gratitude and reverence. This practice aligns with the biblical exhortation to "pray without ceasing" (1 Thessalonians 5:17), suggesting that praise, like prayer, should be a constant and integral part of the believer's life.

Liturgical and Communal Aspects:
In corporate worship settings, repetition of praise is often employed to unify the congregation in a shared expression of faith. Hymns, choruses, and liturgical responses frequently use repetition to facilitate participation and to create a sense of communal worship. This collective repetition serves to strengthen the bonds of fellowship among believers and to elevate their collective focus on God.

The use of repeated praise in liturgy and song can also serve as a catechetical tool, teaching and reinforcing theological truths through memorable and easily recalled phrases. This method of instruction is particularly effective in oral cultures and has been a staple of Christian worship throughout history.

Conclusion:
Repetition of praise is a vital aspect of biblical worship, serving to magnify God's glory, instill His truths in the hearts of believers, and foster a spirit of unity and devotion within the community of faith. Through repeated expressions of adoration, believers are drawn into a deeper relationship with God, continually reminded of His greatness and love.