I remember the day I received a vivid lesson on the subtle power of what we hear.  A friend of mine and I were enjoying a great time of fellowship over lunch.  We were talking about "'Truth-Talk"' and the benefits we receive for listening to it on a daily basis.  We sat there for over an hour totally caught up in our conversation with each other.  Background music was softly being played.

As we walked out to our cars later, we both started signing the chorus to the song we recently heard.  We hadn't even really listened to the song, yet it had penetrated our spirits and was now lingering in our cousciousness.  Our mouths automatically started speaking what had been sown in our hearts through the gateway of our ears.  

That's why you need to be so selective about what type of conversation you permit yourself to hear.  Stop hanging around with people that constantly talk about their doubt and fears.  You can't do it without being adversely affected.   You may say, "oh , I just let those thoughts go in one ear and out the other."  But that's impossible!  Just as we ended up singing that song, you'll end up signing you friend's song of doubt and fear when times get tough.  

You simply must guard your ears.  The words you habitually listen to will become what you believe!!!