1. never use a metaphor, simile or other figure of speech which you are used to seeing in print

2. never use a long word where a short one will do

3. if it is possible to cut out a word, always cut it out

4. never use the passive where you can use the active

5. never use a foreign phrase, a scientific word or a jargon word if you can think of an everyday English equivalent

6. break any of these rules sooner than say anything outright barbarous