σοφόν τοι τὸ σαφές, οὐ τὸ μὴ σαφές → wisdom lies in clarity, not in obscurity | wisdom is shown in clarity, not in obscurity
perfect: V. ἐντελής.
pure: P. and V. καθαρός; see pure.
free from reproach: P. and V. ἄμεμπτος, ἀνεπίληπτος, V. ἀμεμφής; see blameless.