Dialogue

 1 Phileb|       part is pure, the other impure. The pure part consists
 2 Phileb|       sciences; secondly, the impure sciences, but not the impure
 3 Phileb|  impure sciences, but not the impure pleasures. We have next
 4 Phileb| distinctions between pure and impure knowledge, that the imperfection
 5 Phileb|       the meaning of pure and impure, of moderate and immoderate?
 6 Phileb|    than a great deal which is impure. But there is another question:—
 7 Phileb|   mixture. There are pure and impure pleasures—pure and impure
 8 Phileb|     impure pleasures—pure and impure sciences. Let us consider
 9 Phileb|       but shall we mingle the impure—the art which uses the false
10 Phileb|   which may be rightly termed impure, let us further add to our
11 Phileb|   that if there be a pure and impure element in either of them,
12 Phileb|    pure, and the other as the impure?~PROTARCHUS: Certainly.~
13 Phileb|      to a great mass which is impure. And now let us give our
14 Phileb|   into the cup and mingle the impure and uncertain art which
15 Phileb|      the pure mingle with the impure?~PROTARCHUS: I do not know,