Dialogue

 1 Intro|  confirmed by the absence of the doctrine of recollection and of any
 2 Intro|          recollection and of any doctrine of ideas except that which
 3 Intro|         he is, and they deny his doctrine. He is then supposed to
 4 Intro|         foundation, on which the doctrine has been affirmed to rest.
 5 Intro| expressly, that in this work the doctrine of the Heraclitean flux
 6 Intro|           On the other hand, the doctrine that ‘Man is the measure
 7 Intro|     becoming.” This has been the doctrine, not of Protagoras only,
 8 Intro|      come again.” Now apply this doctrine of “All is motion” to the
 9 Intro|  original principle on which the doctrine of Protagoras is based?’ ‘
10 Intro|        may be urged against this doctrine of Protagoras. For there
11 Intro|      measure of all things,” the doctrine of Theaetetus that “Knowledge
12 Intro|        may that be?’~‘I like his doctrine that what appears is; but
13 Intro|         But this leads us to the doctrine of the universal flux, about
14 Intro|          the problem.’ Well, the doctrine is old, being derived from
15 Intro|       teachers. And the opposite doctrine must not be forgotten:—~‘
16 Intro|     therefore we must modify the doctrine of Theaetetus and Protagoras,
17 Intro|          proceed to consider the doctrine of rest. This is declined
18 Intro|      find that he returns to the doctrine of rest in the Sophist;
19 Intro|     natures (Republic). Thus the doctrine that knowledge is perception
20 Intro|           V. Having rejected the doctrine that ‘Knowledge is perception,’
21 Intro|         At last we return to the doctrine attributed by Plato to Protagoras,
22 Intro|       considered: Why should the doctrine that knowledge is sensation,
23  Thea|     yourself of a very important doctrine about knowledge; it is indeed
24  Thea|     SOCRATES: Then now apply his doctrine to perception, my good friend,
25  Thea|  SOCRATES: I am charmed with his doctrine, that what appears is to
26  Thea|         quite satisfied with the doctrine, that whatever appears is
27  Thea|           And do you extend your doctrine, Protagoras (as we shall
28  Thea|          Theodorus, in which the doctrine that every opinion of every
29  Thea|       energetic upholders of the doctrine.~SOCRATES: Then we are the
30  Thea|    almost forgotten the opposite doctrine, Theodorus,~‘Alone Being
31  Thea|           The maintainers of the doctrine have as yet no words in
32  Thea|         without assenting to his doctrine, that every man is the measure
33  Thea|      that the argument about the doctrine of Protagoras has been completed,
34  Thea|      Socrates have discussed the doctrine of those who say that all
35  Thea|      rather have heard about the doctrine of rest.~THEODORUS: Invite