How is it that some people came to acquire this capacity for rational self-control that is necessary for freedom ? and others seem to lack it?

为何有些人,会拥有这种理性自控的能力,那也是自由的必备条件,但有些人却似乎不具备这种能力？

耶鲁公开课 - 政治哲学导论课程节选