Related:

• Chisolm's First Corollary to Murphy's Second Law: When things just can't possibly get any worse, they will.
• When things are going well, something will go wrong.
  -- Chisholm's Second Law 1. When things just can't get any worse, they will....
• Murphy's Law of Thermodynamics: Things get worse under pressure.
• Things get worse under pressure. -- Murphy's Law of Thermodynamic
• Left to themselves, things tend to go from bad to worse. -- Murphy's Law Corollary 5