Related Clues:

• Performer with no lines
• Geometry postulate
• Some street art
• Performer "trapped" in a box
• Performer often trapped in a box
• "If it ain't broke, don't fix it," e.g.
• Actor with nothing to say
• "Good things come to those who wait," e.g.
• Performer who doesn't say a word
• Silent drama
• Universal principle
• "Lost time is never found again," for one
• Marceau's skill
• Marcel Marceau's art
• Job progress