(. . .) Constantly and exclusively occupied with the harm that others do to us, we waste not only our potential and gifts, leaving valuable opportunities unexploited, but we also squander our very lives. The quality of a person's life is not determined by the harm done to them by others; it is determined by the harm they do to others, for the harm they inflict on others corrupts their own existence. (. . .)

Love and managing love is, among other things, an art that a person needs to learn, just as they need to learn the art of living in general.

[Excerpt from the text on the back cover of the edition]