Someone I know said that 'should' and 'must' are self-limiting words, especially for artists. There is no 'you should make art', no 'you must work hard'. If you have to force yourself, it is completely pointless, he said, being inspired to do art is more to the point.

Which, from one angle, is true, but then again if you wait around to be inspired and inspiration strikes you once in a blue moon, you won't be producing much or any art, would you?

Read more about why artists need discipline.