Jowett: better soul

Socrates   : Will not, then, the more powerful and better soul, when it does injustice, do it voluntarily, and the bad soul involuntarily ? LESSER HIPPIAS

Ath. And which may be supposed to be the truer judgment — that of the inferior or of the better soul ? LAWS BOOK II

Cle. Surely, that of the better soul. LAWS BOOK II