Sentence examples for it is a rule from inspiring English sources
Scientific American noted in 1981 that "it is a rule of thumb in computer science that an operation can be executed fastest when it is hard-wired into the computer rather than specified as part of a program".
"There is something in human history like retribution," wrote an insightful 19th Century journalist named Karl Marx, "and it is a rule of historical retribution that its instrument be forged not by the offended, but by the offender himself".
It is a rule for every player.
It is a rule of injustice".
It is a rule of the baseball marketplace.
It is a rule which applies equally to prescription drugs, and to government regulation of drugmakers.
Amherst says it is a rule that any trust makes a student ineligible for financial aid.
It is a rule in American life that commerce dwarfs commemoration.
It is a rule written in an unwritten instruction manual somewhere.
It is a rule which may be looked at, especially if you limit the squad.
It is a rule that prohibits players from offering a draw or from drawing before 30 moves have been played.
