41.   The basic rule was always the same.

42.   The basic rules are First-in-First-Out and When-in-Doubt-Throw-It-Out.

43.   The best rule is to conserve energy and to increase funding for research into renewable energy sources.

44.   The current rules are illogical and unnecessary.

45.   The first, golden rule is that children do not learn at an even pace.

46.   The general rule is that the more combustible your wall is, the greater distance it has to be away from the boundary.

47.   The general rule was that no fresh evidence could be adduced once the jury had retired.

48.   The golden rule is that if you have a chat room or discussion forum, you need to monitor it closely.

49.   The golden rule is to begin gently and not to plunge into a sudden regime of vigorous exercise.

50.   The golden rule is to use a drawing program which builds its image from instructions rather than individual dots.