The student of Nature wonders the more and is astonished the less, the more conversant he becomes with her operations; but of all the perennial miracles she offers to his inspection, perhaps the most worthy of admiration is the development of a plant or of an animal from its embryo.
Thomas HuxleyHistory warns us that it is the customary fate of new truths to begin as heresies and to end as superstitions.
Thomas Huxley