• Farthest down
• Hardest to fathom?
• Least shallow
• Least trivial
• Like a bass' voice
• Like some apologies
• Like some sympathies
• Like the divers' end of the pool
• Lowest of 500 tepees
• Most inscrutable
• Most mysterious
• Most obscure
• Most philosophical
• Most profound
• Most thought provoking
• Rod Stewart hit The First Cut Is the ___
• Superlatively profound