Pol; Thuc.).

But only Plato recognized the fundamental error on which the practice was based.
The subject of gymnastic leads Plato to the sister subject of medicine, which he further illustrates by the parallel of law.

The modern disbelief in medicine has led in this, as in some other departments of knowledge, to a demand for greater simplicity; physicians are becoming aware that they often make diseases 'greater and more complicated' by their treatment of them (Rep.).

In two thousand years their art has made but slender progress; what they have gained in the analysis of the parts is in a great degree lost by their feebler conception of the human frame as a whole.

They have attended more to the cure of diseases than to the conditions of health; and the improvements in medicine have been more than counterbalanced by the disuse of regular training.