On the spiritual journey, doubt can either cripple us or it can free us. When doubt it is expressed as a negative emotion, it causes us to stall out in practice by creating fearful responses and blocking change. Or it can be a powerful tool for awakening when it’s used as an invitation to challenge what you think you know.
There is no set amount of years of arduous practice required or an initiation that is needed to shift to the advanced path. However, there are two foundational skills that make the advanced path possible. Without these two skills, there is too much distraction and disharmony for the advanced path to take root.