than the harp-player, as in playing the harp the harp-player is certainly a better partner than the just man?
In a money partnership.
Yes, Polemarchus, but surely not in the use of money; for you do not want a just man to be your counsellor in the purchase or sale of a horse; a man who is knowing about horses would be better for that, would he not?
Certainly.
And when you want to buy a ship, the shipwright or the pilot would be better?
True.
Then what is that joint use of silver or gold in which the just man is to be preferred?
especially in the safe-keeping of deposits. When you want a deposit to be kept safely.
You mean when money is not wanted, but allowed to lie?
Precisely.