http://www.businessinsider.com/what-smart-people-wont-say-out-loud-2015-9?IR=T

There are some things you simply never want to say at work.

There’s no taking them back once they slip out, either.

I’m not talking about shocking slips of the tongue, off-color jokes, or politically incorrect faux pas. These aren’t the only ways to make yourself look bad.

Often, it’s the subtle remarks–the ones that paint us as incompetent and unconfident–that do the most damage.

No matter how talented you are or what you’ve accomplished, there are certain phrases that instantly change the way people see you and can forever cast you in a negative light. These phrases are so loaded with negative implications that they undermine careers in short order.

How many of these career killers have you heard around the office lately?

1. “It’s not fair.”

Everyone knows that life isn’t fair. Saying “it’s not fair” suggests that you think life is supposed to be fair, which makes you look immature and naive.

If you don’t want to make yourself look bad, you need to stick to the facts, stay constructive, and leave your interpretation out of it. For instance, you could say, “I noticed that you assigned Ann that big project I was hoping for. Would you mind telling me what went into that decision? I’d like to know why you thought I wasn’t a good fit, so that I can work on improving those skills.”

2. “This is the way it’s always been done.”

Technology-fueled change is happening so fast that even a six-month-old process could be outdated. Saying “this is the way it’s always been done” not only makes you sound lazy and resistant to change…