Well, the first rule is that you can’t really know anything if you just remember isolated facts and try and bang ’em back. If the facts don’t hang together on a latticework of theory, you don’t have them in a usable form.
Every word is a step towards understanding, but also towards confusion.
教学不是传递知识，而是为知识的产生或构建创造可能性。
机器人是一种被编程执行多种任务的设备，并且可以重新编程以执行其他任务。