Possible Clues:

• Ancient advice sources
• Prophets, seers
• They gave advice so wise and so clear when translated
• Ancient prophets
• Forward thinkers?
• Strange case, the second and third of Dorothy L Sayers?
• Diesel car Opel recalled to accommodate authorities
• Prophetic shrines
• Wise people round learner driver cutting speeds
• Wise utterances from old Dawson, perhaps involving motorists