And if they can identify those things, they can think about a life work, they can think about their calling.

如果他们能明确这些东西，他们就能思考一生的工作，思考一生的使命召唤。

普林斯顿公开课 - 人性课程节选

But at the same time like real people, they can turn around and act in a way that is loyal and true above and beyond the call of duty.

但同时也与真人一样，他们也有完全不同的一面,在使命面前显示出忠诚和真实。

耶鲁公开课 - 旧约导论课程节选

And that's our obligation to send them to war only when we have to, and only when we know they can actually achieve their mission is a key difference between what I advocate and what the neo-cons advocate.

我们有义务,在必须的时候，送他们上战场，我们必须确保,他们一旦奔赴战场就能完成使命,这是重大的不同,我和新型保守派主张的不同之处主要在此。

普林斯顿公开课 - 国际座谈会课程节选