Does source of wisdom. do I think to an old man, ( which are worshipped and respected in china, for example.?? )They are beings of whom we have much, or everything to learn from them, because I lived, young people only have to modify, or update, modernize, what they have done by hand, and now with machines for everything.But essentially comes from them.His teachings, respect, honesty, are not things that happen over time, by very modern though things.For those who want to learn the most wise. Listen with patience, our abandoned elderly, and will learn much more, and in the way, ( old-fashioned ) but the correct.