SOCRATES: Would you say of drink, or of replenishment with drink?

PROTARCHUS: I should say, of replenishment with drink.

SOCRATES: Then he who is empty desires, as would appear, the opposite of what he experiences; for he is empty and desires to be full?

PROTARCHUS: Clearly so.

SOCRATES: But how can a man who is empty for the first time, attain either by perception or memory to any apprehension of replenishment, of which he has no present or past experience?

PROTARCHUS: Impossible.

SOCRATES: And yet he who desires, surely desires something?

PROTARCHUS: Of course.

SOCRATES: He does not desire that which he experiences, for he experiences thirst, and thirst is emptiness; but he desires replenishment?

PROTARCHUS: True.