Know-it-alls sometimes say things that are condescending to others who don't possess the same information. Here are 12 phrases people who act like they know it all use constantly.

But, I was right! (And, I now know I need some help for reining in my know-it-all tendencies.) If you, too, feel you’re a know-it-all, and you suspect it’s driving everyone in your life crazy ...

The first step is identifying what type of know-it-all you’re dealing with. Over the years, I have had many chances to mentor people. As a faculty member, I worked closely with undergraduate and ...

Here are eight tips for dealing with a know-it-all coworker: 1. Be empathetic. This coworker may irritate you—but remember that his or her know-it-all attitude is probably stemming from a ...

2. ‘I could’ve told you that’ fizkes | Shutterstock. The next low IQ phrase people use when they act like they know it all is, "I could’ve told you that." ...

Quick, name a famous know-it-all. Depending on your age, Homer Simpson, Hermione Granger, Spock, or the mailman from “Cheers” might have crossed your mind. As TV tropes and psychologists ...

If you think the know-it-all is wrong, present contradictory data in a matter-of-fact way. Don’t directly challenge their expertise, but suggest another way to view the situation.

If you want to know it all, this podcast is for you! Learn something new in FIVE minutes from the smarties at CCBC! Everything from the French New Wave, Marketing, Philosophy, Theoretical Physics ...