Why Do You Believe You Are Incapable?

If you are among those who believe that you are incapable of anything that you tried then know that it is absolutely false. 

You are definitely not so, that I can assure you. It is your way of thinking that has put you so down that you are not even aware of you capabilities. 

The first thing that you need to do, if you are in such a situation, is that you need to know why you believe that you are incapable. 

What makes you believe that you are incapable?