The poem 'The Ball Poem' by John Berryman explores a boy's profound sorrow after losing his ball, symbolizing a deeper understanding of loss and responsibility in life. Berryman reflects on how material possessions cannot replace the emotional significance of what is lost, emphasizing the inevitability of loss and the necessity of learning to cope with it. Ultimately, the poem conveys a philosophy that embraces the harsh realities of life and the importance of standing up against grief.