The different yanas contradict each other profoundly. They are not superficially and arbitrarily different. Their fundamental principles are different. They have different concepts of truth, and especially of ultimate truth. For Mahayana, emptiness is the ultimate truth and ultimate goal. It is a shock to be told that in Vajrayana, emptiness is mer... See more
both Buddhism and Advaita Vedanta also claim that a true understanding of their core philosophies is largely experiential rather than scholastic — you can’t “understand” nonduality as much as you ought to experience it.
The jhanas, which derive from Buddhism, are eight states of consciousness that allegedly produce strong feelings in the body and mind. They can be accessed through a meditation technique that involves concentrating the mind on an object, then gradually deepening the sensation that arises.