It's the other people in our lives who knowingly and unknowingly - sometimes willingly or unwillingly, push us to the path of failure: Sometimes they are our father and mother or sister and brother; sometimes they are our friends or maybe our lovers - but most of them, are we.
We, who just try to accept imaginable truth, "that we will never accomplish it." We, who are lying to ourselves, that "it's impossible." It's the negative thinking of ours, which eventually pull us away when we have failed once or more and then we just start to fear our dreams. The truth is that when we make the decision to learn from our mistakes, we can never fail - we will succeed... Because lets be honest - Every single accomplishment starts with the simple decision, it starts with the decision to try.
One of the famous quote says "Try and fail, but never stop trying." - This is the one of the many path's to our success, and yet we stop trying because we're afraid to fail again: not knowing that failing the second time is easier which brings us closer to our dreams...