essence always has been a force, an energy, both subtile and compulsive; a primal force, like that energy the discovery of whose unities is the grand physical achievement of this century. The shapes which it informs are Protean, and have a seeming elusiveness. Still, even Proteus, as Vergil tells us, is capturable. Force, through its vehicle of light, becomes fixed within the substance of our planet; in the carbon of the fern, the tree, the lump Its vocal expression may be defined.of coal, the diamond. The poetic spirit becomes concrete through utterance, in that poetry which enters literature; that is, in the concrete utterances of age after age. Nothing of this is durably preserved but that which possesses the crystalline gift of receiving and giving out light indefinitely, yet losing naught from its reservoir. Poetry is the diamond of these concretions. It gives out light of its own, but anticipates also the light of after-times, and refracts it with sympathetic splendors.
With this uttered poetry, then, we are at present concerned. Whether sung, spoken, or written, it is still the most vital form of human expression. One who essays to analyze its constituents is an explorer undertaking a quest in which many have failed. Doubtless he too may fail, but he sets forth in the simplicity of a good knight who does not fear his fate too much, whether his desert be great or small.
In this mood seeking a definition of A definition of Poetry in the Concrete.that poetic utterance which is or may become of record,—a definition both defensible and
