49In particular, the mind might be empty of all perception in addition to thinking, even including proprioception and interoception (feeling of the body, see footnote 24 in Chapter 12), which are partly the basis of the feeling of “self”. The Japanese Zen master Dogen said that he experienced the “dropping away of body and mind”, while Brahm (2006, p. 158) emphasizes that in deep meditative absorption (jhna), “the five senses have shut down”. Clearly, such complete emptiness can only be achieved by letting go of everything, not by making an effort to empty the mind.