The phrase "a rule to keep" is correct and usable in written English.
It can be used when referring to a guideline or principle that one should follow or adhere to.
Example: "In our organization, we have a rule to keep: always treat others with respect."
Alternatives: "a guideline to follow" or "a principle to uphold".
The Deputy Prime Minister said he made it a rule to keep arguments focused on policy, but he "made an exception" for the combative Labour MP.
At Stamford News, on Main Street, the owner, Rag Solanki, imposed a rule to keep the line moving -- quick pick selections only.
The F.A.A. responded by proposing a rule to keep the database secret, saying airlines or airports might cease reporting if they thought the information could be used to make them look unsafe.
Ray Jamiolkowski, the director of guidance at Naperville Central High School, said his school made a rule to keep hard-charging students from scheduling so many classes that they did not leave room for lunch.
We have a rule to keep business conversations confined to business hours.
For 2015, make it a rule to keep your utilization under 20percentt.
But Planned Parenthood provides the procedure elsewhere in the state, and Mr. Perry and Republican lawmakers pushed for a new rule to keep the organization from receiving any of the money that goes to the Women's Health Program.
We've adopted a simple rule to keep things in check: when one of us says that we need a break, we take one - no questions asked.
A simple rule to keep the iPad charged and keep the child in one part of the house is to place the charger in the living room.
As a general rule, to keep your guitar properly maintained, thoroughly clean the instrument every time that you change out the strings or wipe away any dirt and grime at times when it's best.
"Unlike the House GOP, at the end of the day, the Democratic majority doesn't need an arcane rule to keep our promise to protect middle class taxpayers," Connelly said in an email.
