τὴν σιγήν σου συγχώρησιν θήσω
From LSJ
Χρηστοῦ παρ' ἀνδρὸς χρὴ σοφόν τι μανθάνειν → Doceat te oportet vir probus sapientiam → Von einem Fachmann eigne dir was Weises an
English > Greek (Woodhouse Quotes Reversed)
I will construe your silence as consent, I will construe your silence into consent