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things equally well at the same time. They are urged to meditate a lesson and drive a machine simultaneously, and to do them both with all their force. Their organizations are expected to make good sound brains and nerves by working over the humanities, the sciences, and the arts, and, at the same time, to make good sound reproductive apparatuses, not only without any especial attention to the latter, but while all available force is withdrawn from the latter and sent to the former. It is not materialism to say, that, as the brain is, so will thought be. Without discussing the French physiologists dictum, that the brain secretes thought as the liver does bile, we may be sure, that without brain there will be no thought. The quality of the latter depends on the quality of the for­mer. The metamorphoses of brain manifest, measure, limit, enrich, and color thought. Brain tissue, including both quantity and quality, correlates mental power. The brain is manufactured from the blood ; its quantity and quality are determined by the quantity