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.
Erigena argues the question entirely on speculative grounds, and starts with the bold affirmation that philosophy and religion are fundamentally one and the same- "Conficitur inde veram esse philosophiam veram religionem, conversimque veram religionem esse veram philosophiam."
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.
I do not think the importance of YouTube lies in its role as a communication method nor as a fundamentally new means of distribution of media.