[Footnote 2: The Principles of Rational Education, by Dr. C.A. Mercier.]
Education comprises physical, mental, and moral training. In earlier times physical strength and the power to fight well, alone were prized and were the chief objects to be gained in the education of youth. Later, under the stress of intellectual competition for success in life, mental acquirements have come to occupy the first place. We are only now learning to lay emphasis upon the supreme need for moral training. Not that it is possible to separate the sum of education into its constituent parts, and to regard each as distinct from the others. That many men of great intellectual activity, and many men pre-eminent for their moral qualities have harboured a great brain or a noble character in a weakly or deformed body, forms no argument to disprove the general rule that a healthy, vigorous physique is the only sure foundation upon which to build a highly developed intellect and a stable temperament. In childhood the intimate connection between vigour of mind and vigour of body is almost always clearly shown. A child with rickets, unable to exercise his body in free play, as a rule shows a flabbiness of mind in keeping with his useless muscles and yielding bones. Such children talk late, are infantile in their habits and ways of thought, and are more emotional and unstable than healthy children of the same age. The connection between bodily ailments and instability of nervous control is even more clearly seen in the frequent combination of rheumatism and chorea. A very high proportion of older children