Possible Clues:

• Spick-and-span
• An immaculate touch-down
• Without blemish
• You don't see so much that's so clean
• Observe the French saints without blemish
• Contrariwise, would be a lot more clean
• Don't see so much when it's so clean
• Overlook more things, being pure
• Saint converted apostles, not initially free from sin
• Son, no longer in possession of cannabis, is clean