Yes, You can beleive in it. You can be sure of a minimum profit now without investments. The price plays a big role in its existence. Its going to be the same in future. The more the price is the more the profit would be. People are into the forum to gain more income. As long as people zeal to earn bitcoins, of course it wiĺl long. As long as it lives, you can have more faith in bitcoins.
Bitcoin had already made a good reputation in the world for itself and almost every single user of bitcoin has faith in it, because they can see it working everyday for them, they invest today and they get profit from it just tomorrow, and this has become the trend now, everyone comes to bitcoin and invest and wait for sometime and gets his part of profits, and there it is, he starts believing in it.
bitcoin success is undeniable at the peak of his popularity. As for the coin btc user will be able to buy anything at any store. It is really important time.