Possible Clues:

• Lesson (of a story)
• Story's point
• Person lacking time for ethical principle
• End of an Aesopian fable
• From this you'll learn it's a thousand, in a manner of speaking
• The message it brings may be spoken at last
• Upright; message of fable
• Lesson of fable
• Fabulous finale?
• Many a viva is concerned with ethics