Πάντα ταῦτα ἐπείρασα ἐν τῇ σοφίᾳ: εἶπα Σοφισθήσομαι, καὶ αὐτὴ ἐμακρύνθη ἀπ' ἐμοῦ· κτλ. (Εcclesiastes 7:23f., LXX version) → I tried to give proof in wisdom of all those things; I said, I will be wise, but that wisdom was far from me ...
concertātor: ōris, m. concerto,
I one who contends or vies with another, a rival: concertator Corbulonis: scientiā militiae (corresp. with aemulus), Tac. A. 14, 29.