Contemplation of Impurity: The Secret to a Mind That No Longer Trembles Like a Weak Tree in the Wind
A dharma talk by Venerable Thích Chân Quang on the Dhammapada: Contemplation of impurity helps keep the mind steady amid temptation, skillfully guarding the senses so one cannot be threatened by Mara.

Have you ever stepped outside and felt your heart waver just because of a fleeting image? Then you wondered: why am I so weak? The story in the Dhammapada today will offer us a surprising answer.
Beholding beauty: The open door through which Mara enters
Venerable Thích Chân Quang explains: "The phrase 'beholding beauty' in the past meant becoming intoxicated while gazing at the body of the opposite sex." In modern times, when a culture of displaying the body is everywhere, we fall into this trap all the more easily. A single glance, a revealing outfit... can make our mind tremble like a weak tree in the wind.
Whoever lives beholding beauty, does not guard the senses, eats without moderation, and is lazy rather than diligent — Mara threatens that person like the wind threatens a weak tree.
This is not a threat, but a psychological truth. When we let the mind cling to beautiful images on the outside, we are opening the door for unwholesome thoughts to rush in. Venerable Chân Quang emphasizes: "From one initial key, it drags along a whole chain of degradation, indulgence, and ruin."
Guarding the senses: Locking the door of the mind
The Buddha taught us to "skillfully guard the senses" — that is, to protect the eye, ear, nose, tongue, body, and mind from being dragged along by sense objects. Like a careful sentry, we do not allow unwholesome images to enter our heart. Venerable Chân Quang offers this analogy: "Every man enjoys gazing at the developed body of a woman... but if everyone dressed modestly, they would have no opportunity to gaze, and would not be made to tremble."
This does not mean we run away from the world, but that we proactively create a safe living environment for our mind. Once we know how to guard the senses, no wind of temptation can blow us away.
Moderation in eating and diligence: The foundation of a solid rock
The verse also teaches: A practitioner must not only guard the mind, but also practice moderation in eating and diligence in practice. Eating without moderation leaves body and mind sluggish, making it hard to stay awake. With faith and diligence, practice bears fruit. Venerable Chân Quang recounts how the Buddha told Mahakassapa: "You are elderly; you only need to practice what is fundamental and diligent." It was precisely this diligence that allowed Mahakassapa to attain realization right there in the charnel ground.
Whoever contemplates impurity, skillfully guards the senses, eats with moderation, and has faith and diligence — Mara cannot threaten that person, like a solid rock unmoved by the wind.
With diligence and with mindfulness, no matter how the storms of the world blow, we stand firm like a solid rock. That is why Mahakassapa — the elder brother — overcame every temptation to reach liberation.
Contemplation of impurity: Seeing the true nature to be at ease
Mahakassapa was instructed by the Buddha to go to the charnel ground to contemplate corpses. When he saw a beautiful young woman with fair, lovely skin burned into charcoal, he deeply understood: "All conditioned things are impermanence (anicca), all are subject to change; only a mind that is stilled and purified is true happiness." Contemplation of impurity is not about looking at what is ugly, but about seeing through temporary beauty to clearly perceive the true nature of this body — its impermanence (anicca) and impurity.
When we know how to contemplate in this way, we are no longer deceived by outward appearances. Our mind is liberated from the bondage of desire, and from that comes true ease and joy.
Please practice the contemplation of impurity every day. When our mind is as solid as a rock, no wind in the world can shake it. May you be diligent on the path of practice.
AI-assisted translation from the Vietnamese original.
Read in Vietnamese →