I don't think it has anything to do with learning speed, as learning "faster" isn't necessarily better, and can often be worse. The idea behind "teaching is the

I don't think it has anything to do with learning speed, as learning "faster" isn't necessarily better, and can often be worse. The idea behind "teaching is the best way to learn" is to help reinforce the concepts, because you can't really explain them satisfactorily to someone else unless you understand it pretty well yourself.