Only when we appreciate what purity and purification can mean in the Apollonian sense, will the true character of his spiritual stature become intelligible. We realize at once that to this spirituality belongs Apollonian music, knowledge of right and of the future, institution of higher ordinances. All these qualities characterize the Homeric Apollo. We sense that these properties and perfections radiate from a single basic quality and are manifold manifestations of a single divine being which the Greeks had worshipped as Apollo even before Homer.

The Homeric Gods. The Spiritual Significance of Greek Religion