If your faith is genuine, then it will manifest itself as words, deeds and actions.

From James 2:14-18:

What does it profit, my brethren, if someone says he has faith but does not have works? Can faith save him? If a brother or sister is naked and destitute of daily food, and one of you says to them, “Depart in peace, be warmed and filled,” but you do not give them the things which are needed for the body, what does it profit? Thus also faith by itself, if it does not have works, is dead.

But someone will say, “You have faith, and I have works.” Show me your faith without your works, and I will show you my faith by my works.

Show me your faith without actions, and I will show you my faith from my actions.

I think it is all about laziness. If you think you have faith, but do not praise God, or even live in a way that you are not proud of, then your faith is weak.

Not showing your faith to the others is something different. You do not show off with your faith. In fact, only God could know your real identity, and reward you for it when the time comes.

To sum it up, it is about action, as well as about silence.

Your entire existence is an expression of faith.
Every thing you do and everything you experience is a product of faith.
It is not a switch that only goes on when you pray.
It is actually the law of attraction.
Your consciousness is a faith machine.
It is your faith that allows God to provide that which you have faith in.

When you worry, and you have incredible faith that the thing you are worrying about cannot be avoided, it is this power of faith within you that manifests your worry into an experience that you, seemingly, cannot avoid.

I believe it was Einstein who said "Worry is a misuse of the power of the imagination", (or something very close to that).

Of course, when two or more are gathered in prayer, the effect is different. But then again, the two or more gathering in prayer is really what is causing all of us to experience the same common reality.

Faith is something that is not applied but known in peace, now the demonstration of faith is not the faith itself but the deed done in faith. Example someone could say, "I have full faith I will be protected everything will be okay, I have nothing to fear! You go first I'll be right behind you backing you up in full faith. While at it you three or four go on ahead too I have your back back here in full faith. What was that, ahhhhh!"

There is no faith in that just a boasting of faith, really faith would not even need to be proclaimed it would be demonstrated, "follow me everything will be okay."

It reminds me of Woody Allen reading the 23 psalm, he gets to the "yea thou I walk through the valley of the shadow of death" part and says "yea thou I walk no no run through the valley." lol It is funny but that is true that is how most feel faith, they say I am protected then they are scared anyway! If you really believe you are protected then there is nothing to be afraid of.

In this the demonstration is the act of faith in faith.

Faith is believing something to be true. What we believe takes place in our minds - our thoughts.

What we think always affects what we do. This is why their is a huge industry out there in marketing to affect what we think, what we want so that it will produce an action: what we buy! Of course, marketing is just one example. People generally understand the power of thinking in anything, work, play, weightloss, ect.

So can your thoughts not affect your life and actions? No. Whether the result of your thoughts appears as things you do or things you do not do, contentment you feel or contentment you do not feel, peace you have or peace you do not have, ect - your thoughts fuel your actions.

The key is the thoughts and desires of our hearts. We must continually ask ourselves: what do I want? What am I thinking? The rest will naturally follow.