ὃ σὺ μισεῖς ἑτέρῳ μὴ ποιήσεις → don't do to others what you don't want them to do to you
ὀδυνηφόρος, -ον (Α)αυτός που επιφέρει πόνο, οδύνη.[ΕΤΥΜΟΛ. < ὀδύνη + -φόρος].