Wethern's Law:

Related:

• Wethern's Law:
  Assumption is the mother of all screw-ups...
• Assumption is the mother of all screw-ups.
  Wethern's...
• Wethern's Law of Suspended Judgement:
  Assumption is the mother of all screw-ups...
• Assumption is the mother of all screw-ups. --
  Wethern's Law of Suspended...
• A mother-in-law is often a
  mother...
• May all your hang-ups be
  drip-dry...
• SAPFU --
  Surpassing All Previous Foul Ups...