Related Clues:

• ''What goes up must come down,'' e.g.
• Universally accepted principle
• It's assumed
• 'Power corrupts,' e.g.
• Geometry postulate
• "If it ain't broke, don't fix it," e.g.
• "Good things come to those who wait," e.g.
• Universal principle
• "Lost time is never found again," for one
• Generally accepted truism
• An accepted general truth or principle
• Old saying or precept 95)
• An accepted truth or principle
• Accepted general truth or principle
• A saying that's widely accepted as true