[TRYPHONINUS libro octauo disputationum. ] §20.1.33.prIs qui promissit tibi aut Titio solutum quidem Titio repetere non potest, sed pignus ei datum et ante solutionem recipit.
[TRYPHONINUS, in his eighth book of Disputations.] He who has promised to pay to you or to Titius, indeed, cannot demand back what has been paid to Titius, but he recovers the pledge given to him even before payment.