NICIAS: About the eyes.
SOCRATES: And when he considers whether he shall set a bridle on a horse and at what time, he is thinking of the horse and not of the bridle?
NICIAS: True.
SOCRATES: And in a word, when he considers anything for the sake of another thing, he thinks of the end and not of the means?
NICIAS: Certainly.
SOCRATES: And when you call in an adviser, you should see whether he too is skilful in the accomplishment of the end which you have in view?
NICIAS: Most true.
SOCRATES: And at present we have in view some knowledge, of which the end is the soul of youth?
NICIAS: Yes.
SOCRATES: And we are enquiring, Which of us is skilful or successful in the treatment of the soul, and which of us has had good teachers?