The quote from Susan Howatch's book "Penmarric" highlights a fundamental aspect of human nature—our perpetual dissatisfaction with what we have. It illustrates how, despite possessing great treasures or achievements, individuals often yearn for more, symbolized by "pining for the moon." This reflects an inherent restlessness and longing for ideals that may be unattainable.

Howatch's statement serves as a poignant reminder of the relentless chase for fulfillment that characterizes humanity. Even when one has the world at their fingertips, the desire for the unattainable can overshadow present blessings, leading to a continuous cycle of desire and disappointment.