I do not know why educators of the youth have not long since made use of this propensity of reason to enter with gratification upon even the subtlest examination when practical questions are raised; and why, after laying a solely moral catechism at the basis, they have not searched through the biographies of ancient and modern times with the aim of having at hand, for the duties put forth, supporting instanc which to activate, above all through comparison of similar actions under different circumstances, their pupils' judgme in noting the lesser or greater moral import of such actions.