[...] the modernist aesthetic: go in fear of general ideas, Pound had said, the natural object is always an adequate symbol of the idea or the inward state. There is much to be said for this view: it is a way of bringing the minimum of conceptual baggage to the fresh encounter with reality. What was death to Stevens? A flock of pigeons that made ambiguous undulations as they went downward to darkness on extended wings. What was the secret principle of order in things to Ezra Pound? A rose in the steel dust. What was the paradise, tucked in memory or hidden just behind misery, to T. S. Eliot? Sunlight and laughter in a garden. These images have immense and memorable evocative power, and they have the permanent sphinxlike and unparaphrasable quality of all powerful metaphors. One feels in them the imagination in the twentieth century pounding on the wall of what it cannot know. [...]