such lines. Or I might dream of climbing for ever the tall dark trees above me. They are so tall that I feel as if I should find at their tops the nests of the angels; but in this mood they would be dark and dreadful angels; angels of death.
* * *
Only, you see, this mood is all bosh. I do not believe in it in the least. That one-eyed universe, with its one-eyed men and beasts, was only created with one universal wink. At the top of the tragic trees I should not find the Angel's Nest. I should only find the Mare's Nest; the dreamy and divine nest is not there. In the Mare's Nest I shall discover that dim, enormous opalescent egg from which is hatched the Nightmare. For there is nothing so delightful as a nightmare--when you know it is a nightmare.
That is the essential. That is the stern condition laid upon all artists touching this luxury of fear. The terror must be fundamentally frivolous. Sanity may play with insanity; but insanity must not be allowed to play with sanity. Let such poets as the one I was reading in the garden, by all means, be free to imagine what outrageous deities and violent landscapes they like. By all means let them wander freely amid their opium pinnacles and perspectives. But these huge gods, these high cities, are toys; they must never for an instant be allowed