The term "full-hearted" in the context of the Bible conveys a sense of total commitment, sincerity, and devotion. Although the exact phrase "full-hearted" may not appear consistently in most translations, the underlying concept is rooted in several biblical passages that emphasize the importance of a whole heart in one’s relationship with God. For example, Deuteronomy 6:5 commands believers to love the Lord with all their heart, soul, and strength, highlighting the necessity of an undivided and fervent commitment to God.In Psalm 119:2, it states, "Blessed are those who keep his testimonies, who seek him with their whole heart." This reflects the idea that a full-hearted pursuit of God’s ways leads to blessings and fulfillment. Similarly, in 1 Chronicles 28:9, King David instructs his son Solomon to serve the Lord with a perfect heart and a willing mind, further illustrating the significance of sincerity and dedication in one's spiritual life. Thus, being "full-hearted" can be understood as a call to engage deeply and wholeheartedly in one’s faith and worship, striving to live in accordance with God’s commands and seeking a genuine relationship with Him.