The artists must see all things as if he were seeing them for the first time. All his life he must see as he did when he was a child.
The artist has to look at life as he did when he was a child. If he loses that faculty, he cannot express himself in an original, that is, a personal way.
When a painting is finished, it's like a new born child, and the artist himself must have time for understanding. How then do you expect an amateur to understand that which the artist dos not yet comprehend.