So your goal, Plato says, your goal should be, in life, to practice death-- to separate yourself from your body.

所以你的目标,柏拉图说,你的目标应该是,活着时,练习,把心灵从身体分离出来

耶鲁公开课 - 死亡课程节选

So, don't forget to study this weekend and get those extra practice problems from the course website.

那么，这周末不要忘了复习,那些额外的习题可以在课程的网站上找到。

麻省理工公开课 - 化学原理课程节选

And, Democritus moves from practice to theory.

德谟克利特从理论实践转变。

麻省理工公开课 - 固态化学导论课程节选

He draws a contrast between the men who give just decisions to strangers and to natives, and who do not depart from what is just, and those who practice violence and cruel deeds.

他对比了,那些即便在面对异乡人和不谙世事者,仍秉持正义给予公正判断的人,和那些残酷暴戾恶果累累的人

耶鲁公开课 - 古希腊历史简介课程节选

wish you have a very successful semester as you dig into the science of positive psychology and put it into practice in your own lives, and think about how to take positive psychology from the classroom to the world.

祝你们本学期取得成功,深入学习积极心理学的科学,并将之应用于生活，思考如何把积极心理学,从教室带向世界。

哈佛公开课 - 幸福课课程节选