Let seed be grass, and grass turn into hay: I’m martyr to a motion not my own; What’s freedom for? To know eternity. I swear she cast a shadow white as stone. But who would count eternity in days? These old bones live to learn her wanton ways: (I measure time by how a body sways). Source: Roethke, Theodore. “I Knew a Woman.” The Collected Poems of Theodore Roethke. New York: Random House Inc., 1961. Poetry Foundation. Web. 9 June 2011. Which line is an example of the poetic technique metonymy? “Let seed be grass, and grass turn into hay:” “I’m martyr to a motion not my own;” “I swear she cast a shadow white as stone.” “These old bones live to learn her wanton ways:”