THEAETETUS: Certainly.
STRANGER: And now let us mind what we are about.
THEAETETUS: We must do so.
STRANGER: I will repeat a sentence to you in which a thing and an action are combined, by the help of a noun and a verb; and you shall tell me of whom the sentence speaks.
THEAETETUS: I will, to the best of my power.
STRANGER: 'Theaetetus sits'—not a very long sentence.
THEAETETUS: Not very.
STRANGER: Of whom does the sentence speak, and who is the subject? that is what you have to tell.
THEAETETUS: Of me; I am the subject.
STRANGER: Or this sentence, again—