Know that, as in life, there is much that many have looked upon but few have seen because, as my father told me and his father told him, you will come to learn a great deal if you study the insignificant in depth.
An artist, if he's unselfish and passionate, is always a living protest. Just to open his mouth is to protest: against conformism, against what is official, public, or national, what everyone else feels comfortable with, so the moment he opens his mouth, an artist is engaged, because opening his mouth is always scandalous.