Juzhi's One Finger
俱胝竖指 — The Finger That Can Be Cut
The Koan
俱胝和尚，凡有所问，唯举一指。
其侍者亦竖指。俱胝以刃断其指。侍者叫唤走。
俱胝召侍者，侍者回首。俱胝竖起指。侍者忽然大悟。
后俱胝凡见僧，亦竖一指。临终谓众曰："吾得天龙一指头禅，一生受用不尽。"
Master Juzhi answered every question by simply raising one finger.
His young attendant began imitating the gesture — whenever someone asked about the Dharma, the boy would raise his finger too.
Juzhi called the boy, and when the boy turned, Juzhi cut off his finger with a knife. The boy screamed and ran.
Juzhi called after him. The boy turned back. Juzhi raised his finger. The boy was instantly enlightened.
Later, Juzhi continued to raise one finger for every visitor. On his deathbed he said: "I received Tianlong's one-finger Chan, and it has served me my entire life."
Unpacking the Koan
Juzhi's one finger comes from his own teacher, Tianlong, who once responded to a question by silently raising a finger. Juzhi awakened on the spot and spent the rest of his life using the same gesture.
But the gesture is not the awakening. When the attendant copies it, he's copying the form — the outward sign. It's like copying someone's smile without feeling the joy. The finger means nothing without the mind behind it.
Juzhi's violent act — cutting off the finger — destroys the form. The boy is left with pain, shock, and... nothing. No gesture to hide behind. And in that moment of total vulnerability, when Juzhi raises his finger again, the boy sees: it was never about the finger.
Why It Matters
This koan is about the difference between teaching and imitation, between lineage and copying.
In Chan, the teacher doesn't pass on a doctrine. They pass on a way of seeing. The student can copy the teacher's words, gestures, and methods for years — and still miss the point entirely. The finger is just a finger until the mind behind it wakes up.
It also raises the question every tradition faces: how do you transmit the living spirit without reducing it to a dead form? Juzhi's answer is radical: cut the form. What survives the cutting is real.
Practice Pointer
Think of a spiritual practice you do — meditation, prayer, a ritual. Ask yourself: am I doing this, or am I doing the shape of this? What would happen if you couldn't perform the ritual? What would remain?