Offer God a sacrifice of praise and fulfill your vows to the Most High. If you praise God you offer your vow and fulfill the promise you have made. So the Samaritan leper, healed by the Lord’s word of command, gained greater credit than the other nine; he alone returned to Christ, praising God and giving thanks. Jesus said of him: There was no one to come back and thank God except this foreigner. He tells him: Stand up and go on your way, for your faith has made you whole. The Lord Jesus, in his divine wisdom, taught you about the goodness of the Father, who knows how to give good things, so that you might ask for the things that are good from Goodness itself. He urges you to pray earnestly and frequently, not offering long and wearisome prayers, but praying often, and with perseverance. Lengthy prayers are usually filled with empty words, while neglect of prayer results in indifference to prayer.