Related:

• When in Rome, do as the Romans do
• When in Rome, do Roman numerals in math.
• When people run around and around in circles we say they are crazy.
  When planets do it we say they are orbiting....
• When thou art at Rome, do as they do at Rome. -- Miguel de Cervantes (1547-1616) -- Don Quixote, Part ii, Book iv, Chap.
  liv...
• When in Rome . . . romance!
• Procrastinators will do it when they get around to it.
• When I am here, I do not fast on Saturday; when at Rome, I do fast on Saturday.
  -- Saint Augustine (354-430) -- Epistle 36, To Casulanu...
• If bulls have horns, why do they MOO instead of honk?