Rules for writing
A scrupulous writer, in every sentence that he writes, will ask himself at least four questions, thus:
What am I trying to say?
What words will express it?
What image or idiom will make it clearer?
Is this image fresh enough to have an effect?
And he will probably ask himself two more:
Could I put it more shortly?
Have I said anything that is avoidably ugly?
One can often be in doubt about the effect of a word or a phrase, and one needs rules that one can rely on when instinct fails. I think the following rules will cover most cases:
Never use a metaphor, simile, or