30 Days to Better Business Writing (opens in new tab)

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

2. Never us a long word where a short one will do.

3. If it is possible to cut a word out, 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.

Full essay: http://www.resort.com/~prime8/Orwell/patee.html

“In the beginner’s mind, there are many possibilities,” said Shunryu Suzuki, a Zen Buddhist priest, but “in the expert’s mind there are few.” We are all experts in our own world and the only way to get past that is to become professional beginners. (...)

Quite insightful, "professional beginners!"