I have learnt that trading strategy is not the most important. This is on the second place. The most important thing is forex is Money Managment.
The second thing that I've learnt in the last 2 years of trading is that we shouldn't look for the 100% accurancy strategy. I don't know- maybe it doesn't exist but it doesn't matter. Master your strategy and use good money managment and you will be a successful trader (you'll get instant profit it's true to say that we all learned a lot from this negotiation, really, but if you just asked for two lesson I learned, they are: 1. Discipline, 2. Very good strategy, if one has both, then we can be a successful trader and have the greatest possible benifices in this area.