M. Tullius Cicero Pro P. Quinctio 17

[17] As Caius Quinctius had owed money to Publius Scapula, Publius Quinctius referred it to you, O Caius Aquillius, to decide what he should pay his children. He preferred submitting to your decision in this matter, because, on account of the difference in the exchange, it was not sufficient to look in his books and see how much was owed, unless he had inquired at the temple of Castor ¹ how much was to be paid in Roman money. You decide and determine, on account of the friendship existing between you and the family of the Scapulae, what was to be paid to them to a penny.