Related Clues:

• Take up exercise on ruptured hip before any sudden revelation
• A good one is often carried out
• I dare say, without Ray's suggestion
• Nearly colorless
• Result of ruminating
• Flash, perhaps
• 'No ___' ('Don't ask me')
• Embryonic invention
• Item in a writer's notebook
• Start of a project
• Mental concept
• Project's basis
• It might just come to you
• In the end, Russell returns to papers with proposal
• Think tank's quest