trinity's importance to catholics
trinity helps catholics understand the different ways that God has shown his presence in the world: God the father shows great care for his people, God the son helps understand the love of God and the sacrifice he gave leading to salvation from sin, God the Holy spirit helps understand the presence of God in the world and the strength it brings catholics
Jesus' last words in Matthew's gospel told christians to baptise in the name of the Father, and the Son, and of the Holy spirit