δύσκλειαν ἣ μένει μ' ἀπώσομαι βίου
From LSJ
πωγωνοτροφία φιλόσοφoν οὐ ποιεῖ → a long beard does not make the philosopher
πωγωνοτροφία φιλόσοφoν οὐ ποιεῖ → a long beard does not make the philosopher
I will wipe out from my life the dishonour that awaits one