Related:

• Where are the calculations that go with a calculated risk?
• According to my calculations the problem doesn't exist.
• Where are the calculations that go with the calculated risk? -- Amrom Katz
• It's fine! I did the calculations on my Pentium. -- Famous Last Word
• I wish these calculations had been executed by steam. -- Charles Babbage
• There is always something to upset the most careful of human calculations. -- Ihara Saikaku
• It does not do to leave a live dragon out of your calculations.
• When tempers flare up in the family, Too great severity brings remorse.
  Good fortune nonetheless. When woman and child dally and laugh, It leads in the end to humiliation....
• It does not do to leave a dragon out of your calculations, if you live near him.
  -- J.R.R. Tolkie...