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Insanity is often the logic of an accurate mind overtasked. Good mental machinery ought to break its own wheels and levers, if anything is thrust among them suddenly which tends to stop them or reverse their motion. A weak mind does not accumulate force enough to hurt itself; stupidity often saves a man from going mad.
The more a man thinks the better adapted he becomes to thinking, and education is nothing if it is not the methodical creation of the habit of thinking. Precisely. Theoretically, education is a mental training aiming at greater intellectual elasticity, but the question is whether education does not often strain, instead of train, a mind.