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

So, I started off with Piaget, and Piaget, like Freud, believed in general, across the board changes in how children think.

我先来说说皮亚杰,和弗洛伊德一样,皮亚杰相信,总体上看,儿童的思维方式会发生全面的改变

耶鲁公开课 - 心理学导论课程节选

People who hold constrained vision of human nature, believe that human nature cannot be changed; it's immutable-- we have certain instincts, we have certain inclinations.

认为人性受约束的观点的人，相信人性无法改变;,它是永恒的，我们有一些本能，有一些欲望。

哈佛公开课 - 幸福课课程节选

This is mainly a research tool now, but there's lots of reasons to believe that this is going to change the way that physicians practice medicine by allowing them to diagnose or predict what's going to happen to you in ways that they can't currently.

这项技术现在还只是一种研究工具,但我们有理由相信,它将改变,内科医生诊疗实践的方式,因为它能让医生,诊断或预测出病人将要得的病,这是他们现在做不到的

耶鲁公开课 - 生物医学工程探索课程节选

The right expectation is to believe in change from within.

正确的期望是相信内在的改变。

哈佛公开课 - 幸福课课程节选