Possible Clues:

• ... saying 'I'm a buxom shape -- not my bottom, though'
• Geometry postulate
• Generally accepted truism
• Man supporting a vote that's assumed to be valid
• "Lost time is never found again," for one
• Saw a hobnob rejected over chocolate centre
• Old saying or precept 95)
• One may assume it's ten past ten in the morning
• You may take it that it's 10.10 in the morning
• It's assumed