Holy Sonnet XIV, also known as 'Batter my heart, three-person'd God', is a poem by John Donne that expresses intense spiritual conflict and the desire for divine intervention. The poem reflects Donne's struggles with sin, faith, and the need for God's transformative power, showcasing the tension between human weakness and the aspiration for spiritual redemption. This piece is a prime example of metaphysical poetry, characterized by its complex imagery and emotional depth.