The ‘shudder’ reappears in a form ennobled beyond measure where the soul, held speechless, trembles inwardly to the furthest fibre of its being.
Otto identifies the shudder as the irreducible somatic marker of numinous encounter, surviving in purified form as mystical awe even at the highest levels of religious experience.
, The Idea of the Holy: An Inquiry into the Non-Rational Factor in the Idea of the Divine and Its Relation to the Rational, 1917thesis