Plato, Letters 361c

τε ἐχρησάμην καὶ ὑμῖν ταῦτα ἀπέπεμψα. τὸ δὴ μετὰ τοῦτο περὶ χρημάτων ἄκουε ὥς σοι ἔχει, περί τε τὰ σὰ τὰ Ἀθήνησιν καὶ περὶ τὰ ἐμά. ἐγὼ τοῖς σοῖς χρήμασιν, ὥσπερ τότε σοι ἔλεγον, χρήσομαι καθάπερ τοῖς τῶν ἄλλων ἐπιτηδείων, χρῶμαι δὲ ὡς ἂν δύνωμαι ὀλιγίστοις, ὅσα ἀναγκαῖα ἢ δίκαια ἢ εὐσχήμονα ἐμοί τε δοκεῖ καὶ παρʼ οὗ ἂν λαμβάνω. ἐμοὶ δὴ τοιοῦτον νῦν συμβέβηκεν. εἰσί μοι ἀδελφιδῶν

this, then, was the sum I obtained, and on obtaining it I used it myself and sent off these purchases to you. Next, let me tell you what your position is in regard to money, both what you have at Athens and my own. I shall make use of your money, as I told you previously, just as I do that of all my other friends; I use as little as I possibly can, only just so much as I and the man I get it from agree to be necessary or right or fitting. Now this is how I am situated at present. I have in my charge four daughters of those nieces of mine who died