How to build a reliable trend trading system? Let's discuss

Why do many people in trading study Taoist or Buddhist theories?

How can one be called a qualified trader?

I resigned yesterday, due at the end of the month, I want to do trading full-time, but I don’t know how far this road can go?

Ask for advice on how to manage trading positions in order to achieve long-term stable profits?

I have had a few positions liquidated recently, but fortunately the losses were not very large. I would like to ask everyone, is there any way to prevent liquidation? Is there any trading discipline?