How do we know that God's promises are holy?

Psalm 105:42 states, 'For He remembered His holy promise to Abraham, His servant.' This underscores that God's promises are grounded in His holiness, which ensures they are good and right. Moreover, Jeremiah 31:31-34 elaborates on this covenant, revealing God's intention to write His law on our hearts, assuring that His promises are both relational and transformative, demonstrating His commitment to holiness. His commitments to us are not contingent on our actions but rooted in His perfect nature.