Possible Clues:

• Info about mature people embracing a middle course
• Principle that's moderate, or humble
• Aristotelian ideal
• Information about mature people holding a moderate position
• The moderation of men gaoled for fiddling pension at last
• Ideal position between two extremes
• Perfect compromise when angel and demon fall out?
• Aesthetically pleasing ratio of antiquity
• Most favourable, excellent some say, middle way between extremes