Striving to love God with all my heart, I reflected on wholeheartedness and made a significant discovery. The tip of the iceberg is that wholeheartedness in its fullness is an experience of the soul, which implicitly includes the heart, mind, and strength. But what is the heart? And what is the soul, and how do we identify the soul in human experience? What is going on when we are half-hearted? And what can our own will-power contribute?