(_b_) Being operative in the realm of imaginative idea itself poetry has to guard against encroaching upon the spheres of religion, philosophy, and the ordinary consciousness as such 53 (_c_) To a greater extent than in the other arts the poet has transfused the external mode of envisagement, which he creates, with the vitality of soul-life. Mohammedan poetry. The creative energy must be absolutely free from all restrictions imposed by the material handled] II. The Expression of Poetry 1. The poetical Conception (_a_) Poetical conception in its origins [In its origin not consciously distinct from the prosaic or scientific consciousness. In general terms the poetic imagination is plastic. Illustration of difference between the concrete poetical image and the abstract concept] (_b_) Distinction between poetic mode of conception and that of prose. Language of poetical metaphor and imagery less accurate than the definition of prosaic fact (_c_) Exceptional difficulties which confront the poet of a world where the distinction between ordinary prose life and imagination is emphasised. Artificial appearance of his creations. Difficulty of retaining spontaneous simplicity and freshness 2. Verbal Expression (_a_) Poetical speech generally [Another mode of speech necessitated by the fact that the world of poetry and art in general should not be identical with that of ordinary life, or that of science and religion] 65 (_b_) The means by which this is realized [(_α_) Particular words and expressions only proper to poetry. Entitled to borrow from language forms obsolete in ordinary speech. The invention exercised in creating novel modes of utterance (_β_) The relative order of words admits of change; how the licence in this respect may be abused and degenerate into rhetoric and declamation (_γ_) The periods of poetical construction composed in accordance with the ideality of the soul-experience embodied] (_c_) Distinctions in the use of these means [(_α_) Poetry in the age where poetry is the one revealer of spiritual truth. Force of creative power and simplicity of diction most obvious features. Creation of a poetic diction by Dante (_β_) Distinction from above in an age where prose diction already elaborated. Expression of poetry becomes more elaborate and eventually more self-conscious and rhetorical. The poetry of Rome. The satire. Spanish poetry (_γ_) The nature of genuine poetical expression. Spontaneity above all essential] 3. Versification. [Only a superficial view would banish it. It is implied in the demand that the medium should be elaborated by Art and that the realm entered should be other than every-day life] (_a_) Rhythmical Versification (that is, without rhyme)