Zazen is just one form of meditation. According to The Mind Illuminated[1], some traditions (eg. shamanic) cultivate dullness as a source of visions. [1] http:

Zazen is just one form of meditation. According to The Mind Illuminated[1], some traditions (eg. shamanic) cultivate dullness as a source of visions. [1] http://themindilluminated.com/ http://themindilluminated.com/