The phrase "tablet of their hearts" is a metaphorical expression found in the Bible, primarily in the Old Testament, that signifies the internalization of God's laws and commandments within an individual's innermost being. This concept emphasizes the importance of not merely adhering to God's laws externally but allowing them to transform one's heart and mind.

Biblical References

The imagery of writing on the heart is notably present in the book of Proverbs and the prophetic literature of Jeremiah and Ezekiel. In Proverbs 3:3, the text states, "Let kindness and truth never leave you; bind them around your neck, write them on the tablet of your heart." This verse underscores the importance of internalizing virtues such as kindness and truth, suggesting that they should be as permanent and integral to one's life as words inscribed on a tablet.

Jeremiah 31:33 further develops this theme in the context of the New Covenant: "But this is the covenant I will make with the house of Israel after those days, declares the LORD. I will put My law in their minds and inscribe it on their hearts. And I will be their God, and they will be My people." Here, the "tablet of their hearts" signifies a profound transformation where God's law becomes an intrinsic part of the believer's identity, moving beyond external observance to a heartfelt commitment.

Ezekiel 36:26-27 echoes this promise of internal transformation: "I will give you a new heart and put a new spirit within you; I will remove your heart of stone and give you a heart of flesh. And I will put My Spirit within you and cause you to walk in My statutes and to carefully observe My ordinances." The metaphor of the heart as a tablet upon which God's laws are written is vividly portrayed as a divine act of renewal and empowerment by the Holy Spirit.

Theological Significance

The concept of the "tablet of their hearts" is deeply rooted in the biblical understanding of the heart as the center of human will, emotion, and intellect. In biblical anthropology, the heart is not merely the seat of emotions but the core of one's being, where decisions are made and character is formed. Writing God's laws on the heart implies a transformation that affects every aspect of life, leading to genuine obedience and devotion.

This internalization of God's commandments is a key aspect of the New Covenant, distinguishing it from the Old Covenant, which was characterized by external adherence to the law. The New Covenant promises a more intimate relationship between God and His people, facilitated by the indwelling of the Holy Spirit, who enables believers to live in accordance with God's will.

Practical Implications

For believers, the call to have God's laws inscribed on the "tablet of their hearts" is a call to cultivate a deep, personal relationship with God. It involves regular engagement with Scripture, prayer, and a willingness to be transformed by the Holy Spirit. This internalization process is not passive but requires active participation in spiritual disciplines and a commitment to live out one's faith in everyday life.

The metaphor also serves as a reminder of the importance of sincerity in one's relationship with God. It challenges believers to move beyond mere ritualistic observance and to embrace a faith that is authentic and heartfelt. By allowing God's Word to shape their thoughts, attitudes, and actions, believers can reflect the character of Christ and fulfill their calling as His disciples.