Γυμνοσοφισταί

From LSJ
Redirect page

ὥσπερ σελήνη γ' ἡλίῳ· τὴν μὲν χρόαν ἰδεῖν ὁμοιόν ἔστι θάλπει δ' οὐδαμῶςlike the moon to the sun: its color is similar to the eye, but it does not give off any heat

Source