Good artist should stay humble (I think,)
as it's not the artist who creates something: he acts essentially as a conductive/ channel, and let's art come through him.
All we can do is to develop a kind of devotion, we can just work and see what will occur.
Hundertwasser thought this way, and another exhilarant example is Moebius in this interview:
http://www.youtube.com/watch?v=RxsJgtrA5mw&feature=related