Chaos is but unperceived order; it is a word indicating the limitations of the human mind and the paucity of observational facts. The words โchaos,โ โaccidental,โ โchance,โ โunpredictable,โ are conveniences behind which we hide our ignorance.
Harlow ShapleyIt seems to me that the evidence ... is opposed to the view that the spirals are individual galaxies comparable with our own. In fact, there appears as yet no reason for modifying the tentative hypothesis that the spirals are not composed of typical stars at all, but are truly nebulous objects.
Harlow Shapley