Related:

• A limerick packs laughs anatomical Into space that is quite economical.
  But the good ones I've seen So seldom are clean, And the clean ones so seldom are comical....
• A clean limerick is a contradiction in terms.
• It's so clean. It's certainly uncontaminated by cheese.
• I find humans are quite clean pets -- HAL
• Great opportunities to help others seldom come, but small ones surround us every day.
  -- Sally Koch...
• Great Opportunities to help others seldom come, but small ones surround us every day. Sally Koch
• Code so clean you can eat off it.
• One will seldom go wrong if one attributes extreme actions to vanity, average ones to habit, and petty ones to fear.
  -- Friedrich Nietzshe (1844-1900) "Human, All-too-Human" (1878)...