We have a lot of reasons but only one real one.
The quality of a painter depends on the amount of past he carries with him.
Inspiration exists, but you have to find it working.
The older you get the stronger the wind gets - and it's always in your face.
The artist is a receptacle for emotions that come from all over the place: from the sky, from the earth, from a scrap of paper, from a passing shape, from a spider's web.
The world today doesn't make sense, so why should I paint pictures that do?