A long-haired,guitar-playing idealist who sings about bringing the world together.

VOA: special.2011.06.27

Premise 2: To be a practical idealist, the foundation of it has to be the belief that change is possible.

第二前提：,作为一个实际的理想主义者，它的基础必须是,相信改变是可能的。

哈佛公开课 - 幸福课课程节选

Premise 2: To be a practical idealist, the foundation of it has to be the belief that change is possible.

第二前提：,作为一个实际的理想主义者，它的基础必须是,相信改变是可能的。

哈佛公开课 - 幸福课课程节选