Industry, which needs young men who are healthy, tractable, unpretentious and, I would even say, full of illusions, often receives engineers who are tired out, weak in body, and less ready than one could wish to take modest jobs and work so hard that everything seems easy to them. I am convinced that they could begin practical work much earlier and just as well prepared, by leaving things which are not used in practice out of their school education.p. 909

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