David's faith, intertwined with his expression of kindness, exemplifies the profound trust in God required to extend hesed, a covenantal lovingkindness, even in the face of potential danger. In a time of violent dynastic struggles after Saul's death, when it was customary for a new king to eliminate rivals to secure the throne, David chose a different path. Despite the risk of leaving potential claimants alive, he sought out Mephibosheth, a son of Jonathan, to show him kindness for Jonathan's sake. David inquired if anyone remained from Saul's house to whom he could show the kindness of God, and upon finding Mephibosheth, who was lame in both feet, he brought him to his court. David assured Mephibosheth not to fear, restored all the land of Saul to him, and declared that he would eat at the king's table continually, treating him as one of his own sons. This act of hesed was not merely a favor but a self-sacrificial extension of kindness, despite the historical norm of eliminating threats and the personal risk it posed to David. Mephibosheth and his son Micha could have been used as figureheads for rebellion, yet David, trusting in God, extended this kindness out of respect for Jonathan and faith in God's protection. Even when Mephibosheth initially sided with Absalom during a rebellion, David's commitment to kindness persisted, demonstrating the depth of his faith. This kindness, rooted in faith, went beyond obligation, reflecting a willingness to act rightly even at personal cost, trusting God to safeguard the outcome. David's example shows that true hesed requires stepping out in faith, especially when circumstances suggest personal disadvantage or danger.

King David exemplified profound faith in God, often receiving swift answers to his prayers, as seen in Psalm 138:3, where he declared, "In the day when I cried out, You answered me." Yet, there were times when God made David wait, sometimes for extended periods, as evidenced in Psalm 13:1, where he pleaded, "How long, O Lord? Will You forget me forever?" and in Psalm 35:17, where he asked, "Lord, how long will You look on? Rescue me." David endured prolonged suffering, including debilitating illness, enemies gloating over his condition, friends turning against him, and relatives keeping their distance, as detailed in Psalm 41:1-9. He prayed for healing when death seemed near, and though he had to wait, God ultimately restored him, as reflected in Psalm 6:2-10, where David expressed his anguish and eventual relief with, "The Lord has heard the voice of my weeping. The Lord has heard my supplication; the Lord will receive my prayer." Through these trials, David demonstrated a deep trust in God, understanding that He heard his prayers even if answers were delayed, and that God's timing was according to His will. David's faith was marked by patience and perseverance, trusting in God's justice and righteousness, as seen in Psalm 37:3-7, where he urged, "Trust in the Lord, and do good; dwell in the land, and feed on His faithfulness. Commit your way to the Lord, Trust also in Him, and He shall bring it to pass." His life illustrates an active obedience and fervent expectation of God's intervention, showing that true faith involves waiting patiently for God to act in His perfect time.

David's faith, as seen in his encounter with Goliath, exemplifies a profound trust in God rather than in personal ability. In I Samuel 17:33-37, when Saul doubts David's capacity to fight the seasoned warrior Goliath due to his youth, David responds with unwavering conviction. He recounts how, as a shepherd, he protected his flock by killing both a lion and a bear, attributing his success to God's deliverance. David boldly declares that the Lord, who saved him from the paw of the lion and the bear, will also deliver him from the hand of this Philistine who defies the armies of the living God. This response, given by a young boy to a king, showcases an extraordinary confidence rooted in faith, demonstrating that true strength comes from reliance on God's power rather than self-assurance.