In the end, it doesn't matter how well we have performed or what we have accomplished—a life without heart is not worth living. For out of this wellspring of our soul flow all true caring and all meaningful work, all real worship and all sacrifice. Our faith, hope, and love issue from this fount, as well. Because it is in our heart that we first hear the voice of God and it is in the heart that we come to know him and learn to live in his love.
So you can see that to lose heart is to lose everything. And a "loss of heart" best describes most men and women in our day. It isn't just the addictions and affairs and depression and heartaches, though, God knows, there are enough of these to cause even the best of us to lose heart. But there is the busyness, the drivenness, the fact that most of us are living merely to survive. Beneath it we feel restless, weary, and vulnerable.
Indeed, the many forces driving modern life have not only assaulted the life of our heart, they have also dismantled the heart's habitat—that geography of mystery and transcendence we knew so well as children.
All of us have had that experience at one time or another, whether it be as we walked away from our teachers, our parents, a church service, or sexual intimacy; the sense that something important, perhaps the only thing important, had been explained away or tarnished and lost to us forever. Sometimes little by little, sometimes in large chunks, life has appropriated the terrain meant to sustain and nourish the wilder life of the heart, forcing it to retreat as an endangered species into smaller, more secluded, and often darker geographies for its survival. As this has happened, something has been lost, something vital.