One of them is the technique you saw me do with my left hand where I wiggled it a little bit. It's called vibrato.

其中有个技巧,你们看我左手的手法,我略微揉动琴弦引发出颤音

耶鲁公开课 - 聆听音乐课程节选

For your readings, you are reading one of the meditations in my book, where I talk about it a little bit more in length, and I also gave the philosophical foundation, " because in many ways this goes against "counting and thinking" that has been so dominant in our 20th and 21st century thinking about morality.

你们正在读我书中的冥想部分，书中有更详细的阐述，也给出了哲学基础，因为在很多方面有别于“数数和思考“,那种方法在20和21世纪处于统治地位,思考道德。

哈佛公开课 - 幸福课课程节选