There are a couple of things that I believe are simple, effective yet difficult to do as engineers. 1. Don't open one's mouth when one is not sure about the to

There are a couple of things that I believe are simple, effective yet difficult to do as engineers. 1. Don't open one's mouth when one is not sure about the topic; 2. Don't say anything without some good proof; 3. Be precise and keep it short. Personally, I haven't managed to achieve any of them.