"A critic has no right to the narrowness which is the frequent prerogative of the creative artist. He has to have a wide outlook or he has not anything at all. Although the novel exercises the rights of a created object, criticism has not those rights, and too many little mansions in English fiction have been acclaimed to their own detriment as important edifices..."
This bit is from E.M. Forster's book Aspects of the Novel, which a friend just brought to me the other day.
What a treat to find this ^^^^^ inside.