Vikalpa (verbalization) constitutes by definition the wavering, polarized state of the bound and finite person disenfranchised and separated from his powerful source... Insofar as all philosophical structures and speculative systems are constructions of a dual, descriptive language, they must be abandoned for the siddha to dwell in the immediate perception of non-dual reality.
(p. 15)
... in tantric texts there is a strong streak of contempt or condescension for those who limit themselves to a kind of intellectual jugglery and do not get down to the basic task of experiential replication.
(p. 54)