He wanted to make an instrument that could play a note longer than notes played on a traditional acoustic guitar.

VOA: special.2009.09.27

We have not yet perfected the art of entering and exiting this classroom yet, we're still working on that. Raise your hand if you need notes and we'll make sure we get those to you.

我们目前还没有把,进出教室的技术做的很好，我们仍在做这件事,如果你没有拿到讲义请举手,我们会被把讲义发给你。

麻省理工公开课 - 化学原理课程节选

And if I did this, and again, don't scribble too much in your notes but if we just make it clear what's going on here, I'm actually going to delete these strategies since they're never going to be played I end up with a little box again.

如果我再进行一次,别在笔记上乱画,我们只是想知道最后会怎样,因为这些策略不会被人采用,所以我剔除掉它们,最后我得到了一个更小的方格

耶鲁公开课 - 博弈论课程节选