Why is it necessary to plead for God's mercy?

Acknowledging our status as sinners before a holy God is crucial in seeking mercy. The psalmist demonstrates this attitude by persistently crying out for salvation. As seen in Hebrew 5:7, even Christ, in His humanity, requested the Father's help, illustrating that no one is beyond seeking divine grace. This also brings to light the relationship between our prayers and Christ's intercession, reinforcing the belief that our pleas for mercy lean on His perfect sacrifice and obedience. Thus, in acknowledging our neediness, we confess our reliance not on ourselves, but solely on God's unmerited favor.