Book, Chapter

 1     I, prooe|    suspense during a period (of necessary preparation), and by rendering
 2     I, prooe|        content to submit to the necessary purgation, and so receive
 3     I, 4    |  opinions we have not deemed it necessary to declare, (inasmuch as)
 4     I, 8    |  opinions of these, it would be necessary to compose a vast quantity
 5    IV, 5    |    mathematicians assert, it is necessary that one born under the
 6    IV, 7    |        extensive, yet it is not necessary in reference to the subject
 7    IV, 34   |     following point, which is a necessary one,--how that, loosing
 8    IV, 46   |       the heavens. (And this is necessary), inasmuch as some persons,
 9     V, 3    |       due."~For, says he, it is necessary that the magnitudes be declared,
10     V, 3    |        is in heaven." And it is necessary that they who perform this (
11     V, 14   |        previously undergone the necessary study for acquiring a knowledge)
12    VI, 31   |      had been rectified, it was necessary, according to the same consequence,
13   VII, 14   | celestial (powers), it was also necessary that afterwards the Gospel
14   VII, 14   |        thus taken place, it was necessary, likewise, that afterwards
15  VIII, 12   |    consideration. But it is not necessary for those who possess a