Zen Buddhism — a Japanese evolution of Chinese Ch’an — approaches ethical life not as a code to be followed but as a natural expression of awakening. Unlike schools that see moral cultivation as a means to attain enlightenment, Zen emphasizes that awakening is already present — the task is to uncover it through lived practice.
This view is most clearly articulated by Dōgen (1200–1253), founder of the Japanese Sōtō Zen school. For Dōgen, ethical conduct and meditation are not paths to awakening but expressions of one’s innate Buddha-nature. “To study the Buddha-way is to study the self. To study the self is to forget the self. To forget the self is to be enlightened by the ten thousand dharmas” . In this framework, ethical behavior flows naturally from a heart no longer driven by ego or craving.
Zen articulates three levels of moral precepts. First, there is the literal level, inherited from the Śrāvakayāna: do not kill, steal, lie, or harm. Second, there is the Mahāyāna level, which emphasizes positive compassion — not just refraining from harm but actively nurturing others. Third, there is the essential level, grounded in emptiness: ultimately, there is no killing, no killer, no killed — just the play of causes and conditions. True morality arises when one acts from this place of non-duality .
However, Zen’s insistence on transcending dualities — good and evil, right and wrong — has been both inspiring and controversial. The idea is not that good and evil don’t exist, but that they are relative and conditioned. Clinging to rigid moral judgments can itself become a form of ego-attachment. At the highest level of realization, one acts spontaneously and compassionately — not because of commandments, but because that is simply the most natural way to be .
This view influenced Zen’s approach to repentance as well. Rather than focusing on the “phenomenal” transgression, Zen practice often emphasizes formless repentance — a deep recognition of the emptiness of delusion itself. The Platform Sūtra encourages practitioners not to dwell in guilt but to awaken through insight. Still, figures like Dōgen urged sincere repentance for misdeeds and rejected any tendency toward moral laxity or antinomianism .
Zen ethics also found its way into other dimensions of Japanese culture. For example, the discipline and spontaneity cultivated through Zen became central to the bushidō warrior code. Samurai ethics fused Zen values with Confucian loyalty and martial valor, producing ideals of self-sacrifice, fearlessness, and honor — though this blend could take troubling turns in history .
Ultimately, Zen does not disregard ethics. It seeks to transcend and then return — to embody morality not as external rules but as natural responsiveness from a clear heart. When the mind is empty, actions become full of care. When the self is forgotten, all beings are remembered.