Intrinsic value, a term in ethics.

It is absolute certainty of valuable existing in us and among us, undoubtedly undeniable worth and meaning. One can think it is unmeasurable, uncountable. It is not necessary to humans to acknowledge. So, to say art has absolute value, mathematical term, intrinsic value, what is it that is valuable in art? Its mere existence, it is made by someone, it is a message of what. To understand value is to grow value something, what we most value is humans and how we become to value something is through necessity, guidance and skill. Our needs bring value. What kind of needs do we have other than basic ones to stay alive?