Alfred North Whitehead said in his essay on the Aims of Education, " In training a child to activity of thought, above all things we must beware of what I will call “inert ideas”—that is to say, ideas that are merely received into the mind without being utilized, or tested, or thrown into fresh combinations." That's where the hands come into play, for as Charles H. Hamm had noted, the mind seeks the truth but the hands discover it. Utilizing, testing, and throwing into new combinations is what the hands do best. Whitehead had described a learning in depth process starting with romance of the idea, then the development of precision in the application of that idea, culminating in what he called "generalization" or the ability to ...