When it was his turn to speak, Mr.Obama said old grievances in the hemisphere should be set aside, replaced by a renewed commitment to expand prosperity, security and freedom in the Americas, with all nations working as equals to confront common challenges.

VOA: standard.2009.04.17

We usually think of individual freedom and security as the purpose of the separation of power.

我们通常认为,个人自由与安全,是分权的目的。

耶鲁公开课 - 政治哲学导论课程节选

We usually think of individual freedom and security as the purpose of the separation of power.

我们通常认为,个人自由与安全,是分权的目的。

耶鲁公开课 - 政治哲学导论课程节选