Avoid doing what you would blame others for doing.
Ἐὰν ἃ τοῖς ἄλλοις ἐπιτιμῶμεν, αὐτοὶ μὴ δρῶμεν
Original text (Ancient Greek)
Notes from Wikiquote
Cf. Golden Rule
Original text (Ancient Greek)
Hope is the only good that is common to all men; those who have nothing else possess hope still.
Do not beautify your appearance, but be beautiful in your way of life.
Quote text and notes from Wikiquote: Thales (page history), available under CC BY-SA 4.0. Source quality and labels are our own summary of what Wikiquote records.