San Lo Bu Pn 10Knives

The Knife Sutra (Sattha Pārājika)

Explanation According to the Theravāda Tradition

Background

The Knife sutra (Sattha) is recorded in the Vinaya Piṭaka, specifically in the Pārājika section of the bhikkhu discipline. This is one of the earliest regulations established by the Buddha for the bhikkhu community, reflecting practical issues that arose in the course of collective practice.

According to the Theravāda tradition, the rules in the Pārājika section arose from specific events. The Knife sutra concerns the use of sharp tools such as knives and swords in the context of monastic life. The Buddha did not merely establish formal rules, but based them on causes and conditions — actual situations encountered by bhikkhus — and from these inferred the developing principles of the Dharma-discipline.

Main Content

The Knife sutra in the Vinaya Piṭaka addresses the issue of bhikkhus engaging in activities related to weapons, especially knives and sharp tools. According to the regulation, bhikkhus should not use, produce, or trade in these tools, because they have the capacity to cause direct harm or are associated with violence.

This regulation belongs within the Pārājika collection — actions that lead to permanent exclusion from the Sangha. However, the rule concerning knives is not an absolute Pārājika but part of the regulations governing the material actions of bhikkhus. It reflects a basic principle of Theravāda Buddhism: bhikkhus should avoid activities that may cause harm or be regarded as inconsistent with the ethics of one gone forth.

The essence of this sutra is the protection of the practitioner’s spiritual life. The way of weapons and preparation for violence directly contradict the Five Precepts — especially the precept against killing (Pāṇātipātā Veramaṇī), as well as the Eight or Ten Precepts that bhikkhus must observe. Using a knife is not only a practical issue but also a psychological one — it reveals the hidden presence of anger, greed, and delusion.

Practical Meaning

The Knife sutra teaches that practicing the Buddha-Dharma is not only a matter of promises and vows, but the restraint of body and mind in every detail.