(And don't forget the more universal rule among pro athletes: say nothing interesting or meaningful).
(Sony and Honda are exceptions, not the rule, among Japanese companies).
China is brilliant at playing divide and rule among individual EU countries.
This is also the general rule among the sculpins, in which the males guard the eggs.
Before 2011, there was an unspoken rule among broadcasters and newspapers: criticise everyone except the president and his immediate family.
But the most popular rule among parents, administrators say, is also the most controversial among students: the "courtship policy".
"He said, 'There is a very important rule among us athletes' -- that's what he said," Mikhalkov recounted.
Xinjiang is home to a simmering rebellion against Chinese rule among parts of the native Turkic Uighur population.
Of course, it was an unspoken rule among the customers never to appear overly impressed or distracted by the famous.
Karaman willingly cooperated with Serbia in inciting opposition to Ottoman rule among Murad's vassals in both Europe and Anatolia.
The unspoken rule among the legions of devoted guests at Limelite Lodge, as it was then called, was to keep your eyes down.
