Boy: Very good.
Socrates: Here, then, there are four equal spaces?
Boy: Yes.
Socrates: And how many times larger is this space than this other?
Boy: Four times.
Socrates: But it ought to have been twice only, as you will remember.
Boy: True.
Socrates: And does not this line, reaching from corner to corner, bisect each of these spaces?
Boy: Yes.
Socrates: And are there not here four equal lines which contain this space?
Boy: There are.
Socrates: Look and see how much this space is.
Boy: I do not understand.
Socrates: Has not each interior line cut off half of the four spaces?
Boy: Yes.
Socrates: And how many spaces are there in this section?
Boy: Four.
Socrates: And how many in this?
Boy: Two.
Socrates: And four is how many times two?
Boy: Twice.
Socrates: And this space is of how many feet?
Boy: Of eight feet.
Socrates: And from what line do you get this figure?
Boy: From this.