Dialogue

 1 Intro|  laying the foundation of a rational psychology, which is to
 2 Intro|   opinion, with definite or rational explanation. This Socrates
 3 Intro|  able to the condition of a rational beast. He is to limit himself
 4  Thea|  pigeon.~THEAETETUS: A very rational explanation.~SOCRATES: But
 5  Thea| things of which there is no rational account are not knowable—
 6  Thea| opinion of anything without rational explanation, you may say
 7  Thea|     thing; but when he adds rational explanation, then, he is
 8  Thea| combined with definition or rational explanation, is knowledge?~
 9  Thea|     that right opinion with rational definition or explanation
10  Thea|    the hundred planks, adds rational explanation to true opinion,
11  Thea| into their elements to be a rational explanation of them, and
12  Thea|  true opinion combined with rational explanation? And very likely