In school we learn that mistakes are bad, and we are punished for making them. Yet, if you look at the way humans are designed to learn, we learn by making mistakes. We learn to walk by falling down. If we never fell down, we would never walk.
Winners are not afraid of losing. But losers are. Failure is part of the process of success. People who avoid failure also avoid success.
The single most powerful asset we all have is our mind. If it is trained well, it can create enormous wealth in what seems to be an instant.
If you realize that you're the problem, then you can change yourself, learn something and grow wiser. Don't blame other people for your problems