It is fundamentally necessary, in order to avoid such floundering, that the "knowledge" of things sensible should be kept distinct from the "knowledge" of things spiritual; yet in practice they are constantly confused.
This fact, by itself, would go far to prove that the civilization continued fundamentally and essentially the same throughout.
There were two distinct methods of letting and hiring - saer (= free) and daer (= base), the conditions being fundamentally different.
Finally, side by side with a theory of the nature of moral obligation thus fundamentally empirical and a posteriori in its outlook, he maintains in his account of justice the existence of the idea of justice as distinct from a mere sentiment, carrying with it an a priori belief in its existence and identical in its a priori and intuitive character with the ultimate criterion of Utilitarianism itself.
Miss Keller's education, however, is so fundamentally a question of language teaching that it rather includes the problems of the deaf than limits itself to the deaf alone.