...If we keep in mind that the psalms are songs that express intense emotions, a statement such as “Happy is the one who seizes your infants and dashes them against the rocks” should not shock us. The writer did not intend to go out and kill babies; rather, he desired justice, which required the death of his enemies. Even today, those who have lost loved ones at the hands of others understandably desire the death of those who committed the crime.