Parallel
Proverbs 18:17
Swete's Septuagint · Berean Standard Bible
δίκαιος ἑαυτοῦ κατήγορος ἐν πρωτολογίᾳ· ὡς δ᾿ ἂν ἐπιβάλῃ ὁ ἀντίδικος, ἐλέγχεται.
The first to state his case seems right until another comes and cross-examines him.