The image in the flame is a hand and off of each fingertip are different natural healing techniques.

VOA: special.2009.09.16

Okay. Now take your hand on a chair or your notebook, your computer or whatever, and do syncopation off of that according to this pattern.

好的,现在用手拍椅子,或者笔记本,电脑,随便什么,来按照这个模式做切分音

耶鲁公开课 - 聆听音乐课程节选

I guess it's not macho enough, John, to just, you know, you know, go off and do things by hand, you ought to just run them, but it's a valuable tool to get into, so let me do that here.

我认为这不太男人了，John，你知道的，他们仅仅是认为比起用手做来,更应该直接去运行程序，但是这确实是调试代码的非常有价值的工具，让我在这里给大家演示下吧。

麻省理工公开课 - 计算机科学及编程导论课程节选