法苑珠林 88.23

88.23

Furthermore, the Tattvasiddhi-śāstra says: Improper places with one's own wife refer to the mouth and the anus. Moreover, all women who are guarded by parents or children, and renunciant women who are guarded by the Dharma, are also called sexual misconduct. If an unattached woman comes forward of her own accord before the assembly to become a wife according to the Dharma, there is no violation.