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.
The xylem and phloem parenchyma consist of living cells, fundamentally similar in most respects to the medullary ray cells, which sometimes replace them altogether.
This fact, by itself, would go far to prove that the civilization continued fundamentally and essentially the same throughout.
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.
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."