When to keep your mouth shut

Not sure who the author is but it was given to me by April Roberson, one of the counselors I work with.

DON'T OPEN YOUR MOUTH:
...in the heat of anger
...when you don't have all the facts
...when you haven't verified the story
...if your words will offend
...if your words will reflect badly on you or anyone else
...when you would be ashamed of your words later
...if your words would convey the wrong impression
...if the issue is none of your business
...when you are tempted to tell a lie
...if your words would damage someone's reputation
...if your words would damage a relationship
...when you are feeling critical
...if you can't speak without yelling
...when it's time to listen
...if you may eat your words later
...if you have already said it more than once
...when you are suppose to be doing something else