Key Quotes - page 16
[There still remains the question whether] he who discovers a new world in the depths of the invisible would not do wisely to plant on it a flag known to himself alone, and, like Achilles, "devour his heart in secret;" whether the greatest problems which have ever been guessed on earth had not better have remained buried in the brain which had found the key to them, and whether the deepest thinkers - those whose hand has been boldest in drawing aside the veil, and their eye keenest in fathoming the mysteries beyond it - had not better, like the prophetess of Ilion, have kept for heaven, and heaven only, secrets and mysteries which human tongue cannot truly express, nor human intelligence conceive.
Henri-Frédéric Amiel
We must consider the words, "the heavens were opened" (Ezek. i. 1); they give the key to the understanding of the whole. The figure of opening, also that of opening the gates, occurs frequently in the books of the prophets... When he commences to describe the firmament in detail, he says, "the firmament," without adding the words "the likeness of," for he says, "And I looked, and behold, in the firmament that was above the head of the cherubims there appeared over them as it were a sapphire stone, as the appearance of the likeness of a throne" (Ezek x. 1). Here the prophet speaks of "the firmament" and not of "the likeness of the firmament,"...
Maimonides