Possible Clues:

• ''Beauty ___ the eye of the beholder'' (2 words)
• ''The devil __ the details''
• ''The check ___ the mail''
• ''The proof of the pudding ___ . . .''
• Has anted
• "The check — the mail"
• "God ___ the details"
• "The fix __"
• 'The doctor ____"
• 'Love -- the air'