Like a piece of ice on a hot stove the poem must ride on its own melting. . . . Read it a hundred times; it will forever keep its freshness as a metal keeps its fragrance. It can never lose its sense of a meaning that once unfolded by surprise as it went.
Robert FrostIf you remember only one thing I've said, remember that an idea is a feat of association, and the height of it is a good metaphor. If you have never made a good metaphor, then you don't know what it's all about.
Robert Frost