By simply go on believing and accepting whatever propagated by the punditry or priest-craft will not lead one towards ultimate truth or Brahman

Seeker of truth has to get rid of his doubts through deeper self-search  on his own, to realize the fact that, the self is not the form but self is formless. Thus his analysis and reasoning has to be based on the formless not on the form.  By simply go on believing and accepting whatever propagated  by the punditry or priest-craft  will not lead one towards ultimate truth or Brahman. All the doubt has to be got rid of "by the sword of Self - Knowledge  or Brahma Gnana or Atma Gnana."  The scriptures, yoga are not necessary if one follows the inner [formless] path.  Religion and yoga are not the means to path of wisdom.   

They alone in this world are endowed with the highest wisdom who are firm in their conviction of the sameness and birthlessness of Ataman. The ordinary man does not understand their way. (Chapter IV — Alatasanti Prakarana 95-P-188 in Upanishads by Nikilanada)

This passage indicates the fact that everything is Ataman/spirit. The one who views and judges the worldview on the base of his birth /body will not realize the fact that, the man including the world is created sustained and finally dissolves as Ataman. Thus Ataman alone is, and all else is mirage.

Thus self-knowledge is the aim of every human being. Since everyone thinks the physical body is the self, their aim is misdirected and they focus their attention on materiality which makes one feel the duality [waking] as reality.

Self-Knowledge is the aim of every human being. Since everyone thinks the physical body is the self their aim is misdirected and they focus their attention on materiality which makes one feel the duality (waking) as reality.

Therefore there is no need to study scriptures, or indulge in god and guru glorification or performing religious rituals.  Since, they are not the means to acquire non-dual wisdom. It is only waste of time and effort to indulge in those things.