Related:

• Farrell's Law of New-Fangled Gadgetry: The most expensive component is the one that breaks.
• The most delicate component will be the one to fall. -- Selective Gravity, Klipstein's Corollary
• Any tool escaping manipulator's hands will not necessarily follow Earth's gravitational field
  but will land in the most unreachable location in the prototype, smashing on its way the most expensive component of the prototype....
• One of the most expensive things in life is a girl who is free for the evening.
• The most delicate component will be dropped. -- Rosenfield's Regre
• Trouble is most often expansive and expensive.
• A component's degree of reliability is directly proportional to it's ease of accessibility (the harder it is to get to, the more often it breaks down).
  -- Johnathan Waddell...
• We were nearly one of the last to realize that in the age of information science the most expensive asset is knowledge.
  -- Mikhail Gorbachev...