A "journey into blessed living" requires a series of steps. The first step requires we become poor in spirit, which means we come to understand, in God's sight, we are all spiritual beggars, totally destitute of the righteousness required to enter heaven. The second step is to mourn over our sin. Mourning is the emotional response to the intellectual knowledge of our spiritual poverty and sin. How does Jesus sum up the third step in Matthew 5:5?