"A man who lives, not by what he loves but what he hates, is a sick man"

Archibald MacLeish’s observation points to a profound truth about the nature of human motivation and fulfillment. When someone lets their animosities govern their actions, their identity and perspective become shaped by opposition rather than aspiration. Instead of being moved by passions, dreams, or meaningful values, such a person defines themselves primarily by enmity. This orientation to life is corrosive, both psychologically and morally.

Letting hate be the engine for one’s choices produces continual anxiety and dissatisfaction. Hatred is reactive and negative; it requires an enemy, real or imagined, to sustain itself. The focus shifts away from what brings joy, purpose, or personal growth and becomes fixated on destruction or resistance. This fosters bitterness and leaves individuals emotionally impoverished, as their energies are spent combatting what they oppose rather than building what they cherish. A life centered on hatred thus becomes one of endless struggle and depletion, with little room for hope, creation, or connection.

Living by love, conversely, involves active engagement with one’s desires, values, and chosen relationships. It provides a sense of direction and hope, anchoring life in positive purpose. To live by what one loves is to be guided by what is meaningful, uplifting, and generative, a source of resilience and well-being. It nurtures openness to others and to new experiences, while cultivating empathy and understanding.

When someone substitutes hatred for love as their primary motivation, their world narrows. Not only do they hurt others, but they inflict deep wounds on themselves, twisting their character, clouding their judgment, and closing off the potential for happiness. MacLeish’s warning is ultimately compassionate, urging people to examine what truly animates them and to seek the nourishment of love rather than the poison of hate. A healthy life requires leaning into passion and creativity, not retreating into antagonism.