When you are enthusiastic about what you do, you feel this positive energy. It’s very simple.

Coelho links enthusiasm with an immediately felt, self-reinforcing vitality: when a person is genuinely engaged in their work, the experience generates its own “positive energy.” The insistence that it is “very simple” pushes back against complicated formulas for motivation or success, suggesting that the emotional quality of attention—wholehearted interest—matters more than external rewards. In Coelho’s broader recurring themes, this aligns with the idea that inner alignment and commitment to one’s path produce momentum, clarity, and resilience. The quote functions as practical counsel: cultivate authentic enthusiasm, and the resulting energy becomes both a sign and a driver of meaningful action.