This post may sound obvious to some but "impossible" is a word hoomons use a lot, so try changing your thoughts as per the title, because the quality of your thoughts determine the quality of your success. When you adopt the second approach, you start to open up avenues that wouldn't be there if you'd accepted the first. That being, your thoughts start postulating ways to break that new ground - then you attempt it - now you've created new theories and avenues to explore that wouldn't have otherwise been there, because you learned what you learned and created a new foundation of pathways to build more opportunities from, and the number of those avenues continues to grow exponentially the more you progress with the "how will I" positive approach. Case in point? Technology, history is full of impossible progresses. A few years ago some scientists tried, and for a while thought they'd succeeded, to break the light speed barrier by sending I think massless neutrinos from London to Italy (memory sketchy on the details). As it happens it turned out the instruments were miscalibrated so the results were off. But what is the real result of this "how do we" exercise? They now have a new foundation of learning to build upon, and new theories & pathways to explore from it, as opposed to if the conventional wisdom was to accept the "laws of physics" - whatever that's supposed to mean, and NOT forge new avenues to make it happen, because you believe it can't. Those guys who tried breaking the lightspeed barrier are actually scientific heroes and we don't even know what their names are. If they succeeded, their names would be up there with Newton and Galileo, how's that for how fame works! Everyone knows who the Wright brothers are, name one of the pioneers who failed? lol I went off into a tangent as I wrote that but long story short: change from "I can't" to "how will I?" This applies to seriously big things but also things like your IM biz, charming the opposite sex, or small everyday things like cooking a great meal if you think you can't cook for shit: How will I? You may not always succeed, but you will make progress, and a lot of it.