No one can separate existence from form, because it happens on its own. Wu-Wui-Wu, effortless effort. We can only create situation in which it happened to those mystics, like a painter or artist or musician or director of a film creates to convey his/her message. You experience the formless infinite existence for a moment by becoming it, and seeing it is becoming it. These people are very near to enlightenment but miss it badly due to ballooned ego.
It is called pathless path in other sense because you reach your inner home, but not a single step is needed to be taken. In intense meditative state it happens when one reaches to the core of being. Intensity of meditation depends upon the yearning of person and price one is ready to pay.
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