Aṅguttara Nikāya · Discourse 10.72

Thorns

Kaṇṭakasutta — Ākaṅkhavagga — the eighth chapter of the Tens

Setting
Vesālī, at the Great Wood, in the hall with the peaked roof
Speakers
The Buddha, praising a group of senior disciples' own decision
Form
A narrative of noise and relocation, then a ten-item list matching obstacle to practice
Length
~2 minutes to read
Difficulty
★★☆☆☆ — a vivid scene followed by a precise technical list

Why this discourse

When a group of well-known senior disciples relocate away from a noisy crowd of visiting Licchavi nobles without being told to, the Buddha not only approves — he uses the moment to name ten precise obstacles, each matched to exactly one stage of practice it threatens.

Reading guide

The teaching in one sentence

Ten things are thorns, each to a specific stage of practice: company to seclusion, beauty-focus to ugliness meditation, shows to sense-restraint, women's company to chastity, sound to the first absorption, thought to the second, rapture to the third, breathing to the fourth, perception and feeling to the cessation attainment, and greed, hate, and delusion as thorns to everything.

Disciples acting rightly, unprompted

The narrative frame is unusual in giving credit entirely to the disciples' own initiative: without being asked, several senior monks reason correctly from a teaching they already knew (“sound is a thorn to absorption”) and relocate on their own, and the Buddha's first words on hearing of it are pure praise — “Good, good, mendicants!”

A ladder of increasingly subtle obstacles

The ten thorns are not a flat list but a graduated ladder: the first four concern relatively coarse external distractions (company, visual beauty, entertainment, women), while the next five track obstacles at each successive depth of meditative absorption, ending with the subtlest possible hindrance — perception and feeling themselves — blocking the cessation of perception and feeling.

Greed, hate, and delusion as the universal thorn

After nine highly specific, stage-matched thorns, the list closes by naming three thorns with no specific match at all: greed, hate, and delusion, thorns to everything without qualification, underlying every one of the nine more particular obstacles already named.

Key terms

kaṇṭaka — “thorn” — this discourse's own title, the recurring image for whatever obstructs a given stage of practice.
saddo paṭhamassa jhānassa kaṇṭako — “sound is a thorn to the first absorption” — the specific teaching the senior disciples reason from to justify their own relocation.
vitakkavicārā dutiyassa jhānassa kaṇṭakā — “placing the mind and keeping it connected are a thorn to the second absorption” — the obstacle matched to the second stage of absorption.
saññā ca vedanā ca kaṇṭako — “perception and feeling are a thorn” — the subtlest thorn named, blocking the cessation of perception and feeling itself.
rāgo kaṇṭako, doso kaṇṭako, moho kaṇṭako — “greed is a thorn, hate is a thorn, delusion is a thorn” — the three universal thorns closing the list, unmatched to any single stage.

The text

The discourse in full: the senior disciples' relocation, the Buddha's praise, and the ten thorns. Translation: Bhikkhu Sujato (CC0, SuttaCentral).

Senior disciples relocate, unprompted

§1At one time the Buddha was staying near Vesālī, at the Great Wood, in the hall with the peaked roof, together with several well-known senior disciples. They included Venerables Cāla, Upacāla, Kakkaṭa, Kaṭimbha, Kaṭa, Kaṭissaṅga, and other well-known senior disciples. Now at that time several well-known Licchavis plunged deep into the Great Wood to see the Buddha. Driving a succession of fine carriages, they made a colossal racket. Then those venerables thought: “These several well-known Licchavis have plunged deep into the Great Wood to see the Buddha. Driving a succession of fine carriages, they’re making a colossal racket. But the Buddha has said that sound is a thorn to absorption. Let’s go to the Gosiṅga Sal Wood. There we can meditate comfortably, free of noise and crowds.” Then those venerables went to the Gosiṅga Sal Wood, where they meditated comfortably, free of noise and crowds. Then the Buddha said to the mendicants: “Mendicants, where are Cāla, Upacāla, Kakkaṭa, Kaṭimbha, Kaṭa, and Kaṭissaṅga? Where have these senior disciples gone?” And the mendicants told him what had happened.

The Buddha's praise, and ten thorns

§2“Good, good, mendicants! It’s just as those great disciples have so rightly explained. I have said that sound is a thorn to absorption. Mendicants, there are these ten thorns. What ten? Relishing company is a thorn for someone who loves seclusion. Focusing on the beautiful feature of things is a thorn for someone pursuing the meditation on ugliness. Seeing shows is a thorn to someone restraining the senses. Lingering in the neighborhood of ladies is a thorn to chastity. Sound is a thorn to the first absorption. Placing the mind and keeping it connected are a thorn to the second absorption. Rapture is a thorn to the third absorption. Breathing is a thorn to the fourth absorption. Perception and feeling are a thorn to the attainment of the cessation of perception and feeling. Greed, hate, and delusion are thorns.

Living free of thorns

§3Mendicants, live free of thorns! Live rid of thorns! Mendicants, live free of thorns and rid of thorns! The perfected ones live free of thorns, rid of thorns, free and rid of thorns.”

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Self-check quiz

5 questions. Click an answer to see immediate feedback. No score is recorded — this is for your own checking.

Question 1 of 5
Why do the senior disciples relocate to the Gosiṅga Sal Wood?
Correct: B. Unprompted correct reasoning from a teaching they already knew.
Question 2 of 5
How does the Buddha respond when he learns what happened?
Correct: B. Full endorsement of the disciples' own correct judgment.
Question 3 of 5
According to the guide, how are the ten thorns structured?
Correct: B. From company and shows through each jhāna to the cessation of perception and feeling.
Question 4 of 5
What three thorns close the list with no specific match to any single stage?
Correct: B. Universal thorns underlying all nine of the more specific obstacles.
Question 5 of 5
Where is this discourse set?
Correct: B. A specific setting shared with several other Vesālī-based discourses in this canon.
Answered 0 of 5 · Correct 0