Because if the change was not possible on the individual level, ? on the society level,why am I doing what I am doing?

因为如果从个人层面或社会层面来说，改变都是不可能的，那我在这里干什么？

哈佛公开课 - 幸福课课程节选

His in other words seems to be a highly personal in many ways highly individual quest for self perfection and not a doctrine about the value of freedom of speech in general.

换言之，他崇高的个人,从许多层面来看，是他崇高的个人,追求本身完美，而非关一般,言论自由价值的学说。

耶鲁公开课 - 政治哲学导论课程节选