"How few of us appreciate the fact that a very great deal of physical suffering in after life comes from bad mental training in childhood! I do not mean suffering of an imaginary kind; I mean disease which may entirely ruin a life which might have been of use to the world, and which surely would have been happier but for the lost health. Many a chronic invalid might have preserved his health had he been taught to use his brain properly when a child."

-- Lyman Abbott

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