I was acting on 'pure' intuition/instinct. [=only because of intuition/instinct and not for any other reason]
Don't expect me to believe you're '(as) pure as the driven snow'. [=morally perfect]
The relationship is over, 'pure and simple'. [=the relationship is completely over]
(..) Because her mother got pregnant, and used it to rope in my dad. And then, little Kelsey became the center of his universe. Do you know what's it's like to have someone hate you out of pure jealousy? We'll get you the paper. Do you know what it's like? To watch someone else get all the attention, (..)2011 TvShow: Suits Title: Rules of the Game Season: 1 Episode 11