But ultimately, the best way, the optimal way spreading happiness is to work on your own happiness, because then you are leading by example.

但最好的方法，传播快乐的最佳方法是努力争取自己的快乐，因为那时你就成为榜样。

哈佛公开课 - 幸福课课程节选

Second he tells us the political scientist must consider what kind of regime will be best under less than optimal circumstances.

其次，他告诉我们政治科学家,必需考虑何种政体在,较不理想的情势下会仍会是最佳的一种；

耶鲁公开课 - 政治哲学导论课程节选