治禪病祕要法 1.52

1.52

"Furthermore, Śāriputra! If, when a practitioner enters dhyāna, sensual perceptions arise, the wind of lust agitates the four hundred and four channels, and from the eye to the body faculty all are shaken at once, the faculties become blocked and agitate the wind of the heart, driving the mind insane. Driven mad by this, possessed by ghosts and demons, he thinks of lust day and night as urgently as if trying to extinguish fire on his head; it must be treated quickly.