From "Someone Puts a Pineapple Together" by Wallace Stevens:
He must say nothing of the fruit that is
Not true, nor think it, less. He must defy
The metaphor that murders metaphor.
He seeks as image a second of the self.
Made subtle by truth's most jealous subtlety.
Like the true light of the truest sun, the true
Power in the waving of the wand of the moon,
Whose shining is the intelligence of our sleep.
He seeks an image certain as meaning is
To sound, sound's substance and executant,
The particular tingle in a proclamation