This passage was taken from the second reading in today's Liturgy of the Hours. A good lesson from the great St. Augustine. Prayer is the ultimate source of all of our happiness. It is not found in the world. The source is God Himself. God bless all!
"We must search out the life of happiness, we must ask for it from the Lord our God. Many have discussed at great length the meaning of happiness, but surely we do not need to go to them and their long drawn out discussions. Holy Scripture says concisely and with truth: Happy is the people whose God is the Lord. We are meant to belong to that people, and to be able to see God and live with him forever, and so the object of this command is love from a pure heart, from a good conscience and a sincere faith.
In these three qualities, “a good conscience” stands for “hope.” Faith, hope and love bring safely to God the person who prays, that is, the person who believes, who hopes, who desires, and who ponders what he is asking of the Lord in the Lord’s Prayer."