I think that training is important. I think you need to learn as much as you can learn. I would say that it's important and probably crucial, but I wouldn't say that everyone has to have it.
I certainly love a boogie and once the music starts I'm usually one of the first out there on the dance floor. Although I haven't had any formal dance training and something tells me I'm really going to notice the difference.
Man's respect for the imponderables varies according to his mental constitution and environment. Through certain modes of thought and training it can be elevated tremendously, yet there is always a limit.
The word liberal distinguishes whatever nourishes the mind and spirit from the training which is merely practical or professional or from the trivialities which are no training at all.
We are strange beings, we seem to go free, but we go in chains - chains of training, custom, convention, association, environment - in a word, Circumstance, and against these bonds the strongest of us struggle in vain.