What does the Bible say about David's prayers?

David's prayers, particularly illustrated in Psalm 17, demonstrate how he calls upon God in times of distress. He presents his cause as just, appealing to God's holiness and righteousness. David understands that true vindication comes from God alone. His prayers emphasize the importance of approaching God with honesty and sincerity, acknowledging that it is not merely the words of his mouth but the condition of his heart that matters. In this Psalm, David exemplifies the necessity of prayer in the life of a believer, showing that in times of affliction, believers can confidently bring their pleas to God, knowing He listens and acts according to His timing and justice.