St. Paul teaches that this life of ours is like traveling abroad from our home country. He says, As long as we are in the body, we are traveling away from the Lord (2 Corinthians 5:6). Since we are still traveling in a foreign land, we ought to keep in mind what our home country is – that country to which we must hasten by turning our backs on the attractions and delights of this life. This Homeland toward which we travel is the only place where we can find true rest because God does not wish us to find rest anywhere else. The reason is simple: if God gave us perfect rest while we were still abroad, we would find no pleasure in returning home.
– St Augustine