"In one of those speeches, I declared that I had no purpose directly or indirectly to interfere with the institution of slavery in the states where it exists.

VOA: special.2009.07.30

And the third explicate purpose, I think we probably all agree with, is that school environment creates a situation where students can learn together, where they can learn from each other, so it creates a community of learners.

我想第三个表面目标，大家可能都会赞同，就是学校,为学生营造了一个，共同相互学习的场所，即创造了学习者共同体。

麻省理工公开课 - 媒体、教育、市场课程节选

We should be approaching young people, encouraging them to engage, cross our religious boundaries and engage constructively with the same sort of sense of purpose that al-Qaeda recruits young people with a destructive divisive ideology.

我们应该靠近青年人，鼓励他们参与这项事业，跨越宗教界线,鼓励他们具有建设性地参与其中,带着与基地组织招募拥有破坏性的,分裂的意识形态的青年人时有的目的感。

普林斯顿公开课 - 人性课程节选

And the purpose of this course is to show you over and over and over again that starting with those one or two laws, you can deduce everything, and I would encourage you to think the same way.

这门课的目的,就是要反复告诉你们,从其中的一两条定律出发,你可以推导出一切,我鼓励你们用同样的方法来思考

耶鲁公开课 - 基础物理课程节选