the Tin Man seeks a heart. He wanted to feel the emotion of love, and was seeking help from the powerful Wizard of Oz to find a heart.

VOA: special.2010.07.18

It's the positive emotion that can take us out from this downward spiral to this upward spiral.

积极情绪,能把我们带离这个下行螺旋进入这个上行螺旋。

哈佛公开课 - 幸福课课程节选

And the ode, too -- the form in which this poem is written is a pagan form invented by the Greek poet Pindar to express the sublimities of emotion arising from a contemplation of the actions of the gods.

而颂歌这首诗的形式,是由希腊抒情诗人品达尔发明,来抒发从思考上帝的行为中,得到的崇高情感。

耶鲁公开课 - 弥尔顿课程节选