I have spent a lot of time around people that are extreme introverts and some that are extreme extroverts. Some talk way too much and some don't raise their voice enough. Normally, we think about this as when to "say the right thing" in the right situation. I'd rather take a look at the invert: knowing when to shut up. Keeping our mouths shut in certain scenarios can prove very beneficial if we know what we're doing. Here are a few business-minded reasons to know when to shut up and keep your thoughts to yourself.