2. As regards the sealing up only, Esaias thus speaks:"And all these sayings shall be to you as the words of this book which is sealed, which men deliver to One that is learned, saying, Read this: and he saith, I cannot read it, for it is sealed: and the book shall be delivered into the hands of a man that is not learned, saying, Read this: and he saith, I am not learned." For we must consider these things to be spoken not only of the Apocalypse of John and Esaias, but also of all Divine Scripture, which is beyond question full of riddles, and parables, and dark sayings, and various other obscurities, hard to be understood by men, whose ears can catch no more than the faint echoes of the Divine words. This was what the Saviour wished to teach us when He said, inasmuch as the key was with the Scribes and Pharisees who did not strive to find the way to open the Scriptures, "Woe unto you lawyers! for ye took away the key of knowledge: ye entered not in yourselves, and them that were entering in ye hindered."