Now we thought that it is impossible to learn all the
 sciences, and we agreed with our states in rejecting
 the so-called illiberal arts, because they seem to
 spoil the body and unnerve the mind. We said Nothing to this
 effect occurs in c. iv. that the clearest
 proof of this would be forthcoming, if in the course
 of a hostile invasion the husbandmen and craftsmen
 were made to sit apart, and each group were asked
 whether they voted for defending the country or
 withdrawing from the open and guarding the
 fortresses.