I think that the good and the great are only separated by the willingness to sacrifice.

The line frames excellence as less a matter of innate talent than of deliberate cost-bearing. “Good” can describe competence achieved within ordinary limits—working hard when convenient, improving within comfort. “Great,” by contrast, is presented as the result of choices that impose real tradeoffs: time, comfort, ego, and sometimes personal relationships or public approval. In Abdul-Jabbar’s career, the idea resonates with the discipline of elite sport and with principled stands that can carry social consequences. The quote’s significance lies in its moral emphasis: greatness is not merely performance but commitment—an ethic of prioritizing long-term purpose over short-term ease.