Ignorance can be cured, but stupidity is forever
Open your mouth and shut your eyes and see what Zeus will send you.
Let each man exercise the art he knows.
You cannot teach a crab to walk straight.
This is what extremely grieves us, that a man who never fought Should contrive our fees to pilfer, on who for his native land Never to this day had oar, or lance, or blister in his hand.
Old age is but a second childhood.