Lzh Mu Bu Pm Pc 25Travelling on a Boat With a Nun

Commentary on the Nāvābhiruhana Sutta (The Matter of Boarding a Boat Together with a Bhikkhunī)

Background

The Nāvābhiruhana Sutta belongs to the Vinaya Piṭaka of the Theravāda tradition, specifically within the Pātimokkha—the code of disciplinary rules for the communities of monks and nuns. This sutta outlines a particular situation in the monastic life of bhikkhunīs, in which the Blessed One Śākyamuni identified issues concerning what is and is not appropriate in communal living.

This context reflects the early period of Buddhism, when the Saṅgha was being established with rules of discipline to maintain the purity and integrity of the community. The Vinaya Piṭaka does not consist of rigid commands, but rather of wise guidelines arising directly from the Buddha's own experience in guiding and training his disciples.

Main Content

The sutta recounts a specific case: when bhikkhunīs needed to travel, some of them intended to board a boat together with others. This was not a matter of mere transportation, but was particularly concerned with rules regarding inappropriate contact between men and women, and with situations that might give rise to misunderstanding or create opportunities for conduct incompatible with spiritual practice.

The Blessed One, perceiving this matter, set forth specific regulations stipulating that bhikkhunīs should not board a boat together with bhikkhus or others under certain conditions. These rules were intended to protect the honor of the community of nuns, to avoid unwarranted suspicion, and to preserve the purity of the holy life within the religious community.

This sutta embodies the principle of samādāna (undertaking) within the Vinaya Piṭaka—not an outright prohibition, but guidance toward wise conduct befitting the context and purpose of spiritual practice.