( CNN ) -- Advice can be a tricky thing . If it 's unsolicited advice from your mother -- or any advice from your mother , really -- it 'll likely go in one ear and out the other . But if that same advice comes from a favorite mentor or best friend , it can change your life . Dhani Jones is a former NFL linebacker , entrepreneur and author of `` The Sportsman : Unexpected Lessons From an Around-the-World Sports Odyssey . '' He 's shared his best advice with CNN for a new Digital Studios series called `` Be a Champion . '' In the video above , Jones says he always tries to make a great first impression by dressing well -- without spending a lot of money . What 's the best piece of advice about life you ever received ? How did it change your behavior or attitude ? Tell us in the comments below and on social media using the hashtag # BeAChamp . Your answer could appear on CNN .
Good advice can change your outlook on life . Comment: