Every Word in the Lord’s Prayer is full of meaning.
This one is a reminder that, in Jesus’ mind, prayer is not separate. Our actions matter, our understanding of Jesus as the Messiah matters, our ability and willingness (all given by the Holy Spirit) to love neighbor matter.
And prayer is a large part of that.
NT Wright says that this prayer is a distillation of Jesus’ sense of his own vocation. Wow. no wonder the disciples wanted to hear it all again in Luke 11.