Here is a deep and accessible interpretation of the concept of the Four Dhyānas, written for a contemporary reader.
1. What is this concept saying? (这个概念在说什么)
When we hear the word "meditation," we often picture someone sitting quietly, trying to empty their mind. But in the Buddhist path of liberation, meditation is not a vague state of relaxation; it is a highly structured, step-by-step psychological purification process known as the Four Dhyānas (四禅 - catur-dhyāna).
The Four Dhyānas refer to the four ascending levels of meditative concentration within the Form Realm (色界). The *Madhyama Āgama* (中阿含经) beautifully compares the Four Dhyānas to a practitioner's "bed and seat" (床座)—a stable, grounded foundation that allows one to "abandon evil and cultivate the wholesome" (舍恶，修习于善).
The journey through the Four Dhyānas is a process of sequentially letting go of coarser mental states to access deeper, more refined states of clarity. According to the classical texts, the stages unfold with precise characteristics and even physical manifestations:
* The First Dhyāna (初禅): This state is characterized by "disengaging from desires and unwholesome states" (离欲、离恶不善之法). Here, the mind still requires active engagement—specifically, applied thought (觉 - vitakka, aiming the mind at the object) and sustained thought (观 - vicāra, keeping the mind anchored there). Because you have temporarily left behind worldly anxieties, you experience a surge of joy and physical bliss born of seclusion (离生喜乐). * *Branches (支分):* 觉 (Applied thought), 观 (Sustained thought), 喜 (Joy), 安 (Tranquility), 定 (Concentration). * *Physical Metaphor/Sign:* When first attaining this, the practitioner may feel that "all parts of the body tremble and vibrate, pervasive throughout" (一切身分悉皆震动充遍于身). * The Second Dhyāna (第二禅): Here, the active effort of the mind is dropped; applied and sustained thought cease (觉观已息). The mind achieves profound inner stillness and one-pointedness (内静一心). The joy now arises not from escaping the world, but purely from the concentration itself (定生喜乐). * *Branches:* 喜 (Joy), 安 (Tranquility), 定 (Concentration). * The Third Dhyāna (第三禅): The practitioner realizes that the "joy" (喜) of the second level is still a bit too stimulating. They let the rapture fade away (离于喜欲) and dwell in profound equanimity, fully mindful and aware (正念正智). The mind is perfectly balanced, but the body experiences an extraordinary, subtle bliss (身觉乐). * *Branches:* 念 (Mindfulness), 舍 (Equanimity), 慧 (Wisdom), 安 (Tranquility), 定 (Concentration). * *Physical Metaphor/Sign:* The sutras describe this unique bodily bliss as feeling like "warm milk poured over the body" (煖乳以灌身体), bringing immense physical and mental comfort. * The Fourth Dhyāna (第四禅): The ultimate refinement. Even the subtle physical bliss is abandoned (乐灭苦灭，喜忧本已灭). The practitioner enters a state of absolute neutrality—neither painful nor pleasant (不苦不乐)—where mindfulness achieves perfect purity due to equanimity (舍念清净). * *Branches:* 念 (Mindfulness), 舍 (Equanimity), 不苦不乐 (Neither pain nor pleasure), 定 (Concentration). * *Physical Metaphor/Sign:* Though the eyes are closed, an inner light arises, "like a great sunlight shining clearly" (如大日光照见明了).
However, Mahāyāna texts like the *Mahāprajñāpāramitā Sūtra* (摩诃般若波罗蜜经) remind us not to get stuck in the mechanics. Ultimately, these profound states are rooted in Emptiness (般若空性). Because "sentient beings cannot be grasped, one should know the Four Dhyānas are empty" (众生不可得故，当知四禅空). A Bodhisattva practices these profound states without attachment (无染清净行四禅), using them purely to help all beings, not to hide in personal bliss.
2. Life Walkthrough (生活里的走查)
Let’s map this ancient sequence onto a familiar contemporary experience. Imagine you have a highly demanding, intellectually rigorous project to finish—say, writing a complex strategy document. Your brain is frazzled from a day of algorithm-driven smartphone notifications, slack messages, and office politics.
* Step 1 (First Dhyāna): You close your email, put your phone in another room, and sit at your desk. You have "disengaged from desires and unwholesome states" (distractions and stress). But your mind is still noisy. You have to use 觉 (actively pointing your mind toward the strategy document) and 观 (anchoring your attention so it doesn't wander). Suddenly, you cross a threshold. You’re working! You feel a thrill of relief and joy that you are finally getting things done (离生喜乐). Your body might even feel an energetic buzz ("trembling/vibrating"). * *Common Mistake:* People think meditation (or flow) means having a blank mind instantly. But the First Dhyāna proves you *must* use initial and sustained thought (觉观) to build the bridge. * Step 2 (Second Dhyāna): Thirty minutes later, you hit the "flow state." You no longer have to actively force your brain to focus on the document (觉观已息). The words are just pouring out. There is a deep, unified stillness in your attention (内静一心), and the sheer focus itself makes you feel incredibly happy and uplifted (定生喜乐). * *Common Mistake:* Trying to forcefully control your focus once you are already in the zone. If you keep applying heavy mental effort (觉观) here, you’ll ruin the flow. * Step 3 (Third Dhyāna): An hour passes. The bubbly excitement and thrill of the flow state (喜) fade. You aren't "excited" anymore; instead, you feel a profound, steady, crystal-clear lucidity (正念正智). Your mind is highly observant and unshakeable (舍). Your physical body feels incredibly comfortable, completely relaxed and free of tension—like "warm milk poured over the body." * *Common Mistake:* Chasing the "high." Many people think if they lose the initial excitement (喜), they are losing focus. True depth requires leaving the excitement behind for calm clarity. * Step 4 (Fourth Dhyāna): Deep into the work, you forget yourself completely. You are neither thrilled nor bored; neither comfortable nor uncomfortable (不苦不乐). There is only pristine, perfectly objective awareness (舍念清净). Your mind is like a bright, unclouded mirror reflecting the work perfectly ("like a great sunlight shining clearly").
3. Why contemporary people need it (当代人为什么需要它)
We live in an era of constant mental agitation. The algorithms that power our digital lives are designed to keep us oscillating between craving (dopamine hits from likes) and aversion (doomscrolling). The Buddha described the first three Dhyānas as states that are still somewhat in motion ("圣说移动"—moving due to thought, joy, or bodily bliss). Only the Fourth Dhyāna is "unmoving" ("圣说不移动"), offering true sanctuary. Contemporary people desperately need this capacity for unmoving mental stillness to survive the sensory overload of modern life.
Furthermore, the sutras warn us about becoming addicted to the "flavor of meditation" (识著味). We tend to chase the "flavor of joy" or the "flavor of concentration." But the scriptures instruct us that a true practitioner’s mind should "not abide within" (心不住内)—meaning we should not cling to the blissful states we achieve. By not attaching to the bliss, our minds become truly liberated.
Ultimately, Dhyāna is not the end goal; it is a tool. The *Madhyama Āgama* emphasizes that if one wishes to "cut off ignorance" (断除无明) and gain insight into the cycle of life and death, one must practice the Four Dhyānas. In a contemporary sense, developing this hyper-focused, objective mental clarity is the prerequisite for cutting through our own cognitive biases, seeing reality as it truly is, and acting effectively in the world.
4. Common Misinterpretations and Clarifications (常见误读与澄清)
* Misinterpretation 1: "Meditation means emptying my mind of all thoughts immediately." * Clarification: This is a major misunderstanding. As defined in the sutras, the First Dhyāna explicitly retains "觉" (applied thought) and "观" (sustained thought). "觉" is not having random thoughts; it is the deliberate application of the mind to a single subject (like the breath). You do not suppress all thoughts at the start; you unify them until they naturally quiet down in the Second Dhyāna. * Misinterpretation 2: "Spiritual bliss is the highest goal of meditation." * Clarification: The Buddha taught that we must abandon joy! While the physical and mental joy of the early Dhyānas is wholesome, it is still a subtle form of agitation. To reach the ultimate purity of the Fourth Dhyāna, one must willingly drop the rapture, drop the bliss, and enter a state of complete neutrality (不苦不乐). * Misinterpretation 3: "Dhyāna is a selfish practice of escaping the real world." * Clarification: In the Mahāyāna tradition, as highlighted in the *Mahāvaipulya Mahāsamnipāta Sūtra* (大方等大集经) and the *Mahāprajñāpāramitā Sūtra*, the Four Dhyānas are the very foundation of a Bodhisattva's superpower to help the world. A Bodhisattva attains these profound states but refuses to be bound by their karmic rewards (不受果报). Instead, they use the resulting clarity (and "supernatural knowledges"/神通) to expertly guide sentient beings out of suffering and to "purify the Buddha-lands" (净佛国). * Misinterpretation 4: "Science can now induce these states with brainwaves or AI." * Clarification: While modern neuroscience can map the brainwaves associated with deep focus or flow states (like alpha or theta waves), neurological correlates are not the same as Buddhist liberation. A machine might induce a state of relaxation, but it cannot cultivate the ethical foundation (戒) or the liberating wisdom (慧) regarding the "Emptiness" of all phenomena. The Four Dhyānas are inextricably linked to morality and wisdom; they are not merely biological hacks, but rungs on the ladder to ultimate freedom from suffering.