an 5.51
AN

Obstacles (Āvaraṇasutta)

First published: February 28, 2026

What you learn

This sutta teaches about the five mental hindrances (nīvaraṇā) that obstruct spiritual progress: sensual desire, ill-will, dullness and drowsiness, restlessness and remorse, and doubt. The Buddha explains that these hindrances overwhelm the mind and weaken wisdom, making it impossible for monks to discern what is beneficial for themselves or others. The discourse emphasizes that abandoning these five obstructions is essential for developing clear understanding and making spiritual progress.

Where it sits

This discourse appears in the Aṅguttara Nikāya's collection on the five hindrances, which are fundamental obstacles in Buddhist meditation practice. The five hindrances are extensively discussed throughout the Pali Canon as preliminary barriers that must be overcome before achieving deeper states of concentration and insight. This teaching forms part of the foundational understanding necessary for meditation practice and is closely connected to instructions on developing the jhānas and the Noble Eightfold Path.

Suggested use

Use this teaching to identify and recognize these five mental states as they arise during meditation or daily activities. When you notice sensual craving, anger, mental fog, agitation, or uncertainty, acknowledge them as temporary hindrances rather than permanent aspects of your mind.

Guidance

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AN 5.51 — Obstacles (Āvaraṇasutta)

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Guidance (not part of the sutta)

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What this discourse is really about

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The teaching here cuts straight to the heart of why spiritual progress can feel so elusive. Through a vivid metaphor of a mighty river being diverted into countless irrigation channels, it reveals how the five hindrances—sensual desire, ill-will, dullness, restlessness, and doubt—scatter our mental energy and leave us spiritually powerless. This isn't just about meditation cushion struggles; it's about why we can't seem to know what's truly beneficial for ourselves or others when these forces are active.

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What makes this discourse remarkable is its stark clarity about cause and effect. Rather than offering gentle encouragement or gradual approaches, it presents an uncompromising truth: with hindrances present, genuine wisdom and insight are impossible. Yet it also shows the flip side: when these obstructions are abandoned, the mind's natural power flows freely like an undiverted river. This teaching offers both a diagnostic tool for understanding our mental states and a clear vision of what becomes possible when we learn to work skillfully with these universal human challenges.

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Key teachings

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  • The five hindrances (sensual desire, ill-will, dullness and drowsiness, restlessness and remorse, and doubt) actively weaken your ability to think clearly and make wise decisions
  • These mental states prevent you from understanding what actions may benefit yourself, others, or both
  • Abandoning these hindrances appears essential for spiritual progress—functioning as a prerequisite for developing insight and higher knowledge
  • The hindrances function as obstructions that scatter and divide mental energy, preventing concentrated effort
  • Clear wisdom and discernment become possible when these five mental states are overcome
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Common misunderstandings

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  • Believing you can work around the hindrances or practice effectively while they remain active—the sutta suggests this is extremely difficult
  • Thinking the hindrances are permanent personality traits rather than temporary mental states that can be worked with through proper practice
  • Assuming that partial reduction of hindrances is sufficient—the text emphasizes complete abandonment as necessary for full spiritual development
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Try this today

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  • During meditation, identify which of the five hindrances is present when your mind becomes unclear or agitated, then apply specific antidotes: mindfulness of breathing for sensual desire, loving-kindness for ill-will, walking meditation for dullness, calming practices for restlessness, and study of the Dhamma for doubt
  • In daily decision-making, pause to check whether any of these five mental states are influencing your judgment before making important choices about relationships, work, or ethical conduct
  • Establish regular periods of formal meditation practice specifically aimed at recognizing and working with these hindrances rather than trying to meditate while they remain active
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If this landed, read next

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  • SN 46.51 for Explains specific methods for abandoning each of the five hindrances through proper attention and the development of the seven factors of awakening
  • MN 39 for Details how the hindrances prevent the attainment of jhana and describes the mental clarity that emerges when they are overcome
  • AN 9.64 for Shows how the five hindrances relate to the gradual training and must be abandoned before progressing to higher stages of meditation
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