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Chapter 4 of 18

ज्ञान कर्म संन्यास योग

The Yoga of Knowledge and Renunciation

Whenever dharma declines, I take birth — Krishna reveals who he actually is.

42 verses

Bhagavad Gita Chapter 4 — Summary

Chapter 4 changes the register of the conversation. Until now Krishna has spoken as a charioteer and counsellor; here he begins to speak as God. He tells Arjuna that this yoga is not new — he taught it to Vivasvan, the sun, who passed it to Manu, who passed it to Ikshvaku, and it descended through a line of royal sages until it was lost with time. Arjuna, reasonably, objects: Vivasvan was born long before you. Krishna's answer is the hinge of the chapter — many births have passed for both of us; I remember them all, you do not.

This opens into the Gita's best-known theological claim. Whenever righteousness declines and unrighteousness rises, Krishna manifests himself, age after age, to protect the good, destroy the wicked, and re-establish dharma. The verse pair known as yada yada hi dharmasya has become the standard scriptural basis for the doctrine of avatara across Hindu tradition.

The rest of the chapter returns to action, but now reframed by this revelation. Krishna describes his own action as free of binding consequence, because it is done without craving for fruit, and says that whoever understands the true nature of his birth and work is not reborn. He then poses the riddle that gives the chapter its philosophical depth: the wise one sees inaction in action, and action in inaction. He closes by exalting knowledge — nothing in this world purifies like it — and telling Arjuna how it is obtained: by prostrating before a teacher, by questioning, and by service.

Key Themes

The unbroken lineage

Krishna presents the teaching as ancient rather than novel — transmitted through a succession of royal sages and lost over long time. The Gita is thereby framed not as innovation but as restoration, which is also precisely what Krishna says his own descents accomplish.

Avatara: descent in every age

The doctrine that the divine takes form whenever dharma weakens is stated here more directly than anywhere else in the text. Krishna's stated purpose is threefold: the protection of the good, the destruction of evildoers, and the firm re-establishment of dharma — repeated, he says, in age after age.

Action in inaction

The chapter's central paradox: the one who sees inaction in action, and action in inaction, is wise among men. The point is that what binds is not the outward deed but the inner claim of doership — so a person can be furiously busy and untouched, or perfectly still and thoroughly entangled.

Knowledge as the great purifier

Krishna declares that no purifier equals knowledge, that the fire of knowledge reduces all actions to ashes, and that even the worst of sinners can cross over by its raft. Crucially, it is not obtained by cleverness — it is obtained by approaching a teacher with humility, honest questions, and service.

Key Verses of Chapter 4

BG 4.5

श्रीभगवानुवाच | बहूनि मे व्यतीतानि जन्मानि तव चार्जुन | तान्यहं वेद सर्वाणि न त्वं वेत्थ परन्तप ||४-५||

Many births have passed for you and me; I know them all, you do not.

BG 4.7

यदा यदा हि धर्मस्य ग्लानिर्भवति भारत | अभ्युत्थानमधर्मस्य तदात्मानं सृजाम्यहम् ||४-७||

Yada yada hi dharmasya — whenever righteousness declines, I manifest myself.

BG 4.8

परित्राणाय साधूनां विनाशाय च दुष्कृताम् | धर्मसंस्थापनार्थाय सम्भवामि युगे युगे ||४-८||

To protect the good, destroy the wicked, and re-establish dharma, I am born age after age.

BG 4.18

कर्मण्यकर्म यः पश्येदकर्मणि च कर्म यः | स बुद्धिमान्मनुष्येषु स युक्तः कृत्स्नकर्मकृत् ||४-१८||

He who sees inaction in action, and action in inaction, is wise among men.

BG 4.34

तद्विद्धि प्रणिपातेन परिप्रश्नेन सेवया | उपदेक्ष्यन्ति ते ज्ञानं ज्ञानिनस्तत्त्वदर्शिनः ||४-३४||

Approach a teacher with humility, questioning, and service — the Gita's instruction on how knowledge is received.

BG 4.38

न हि ज्ञानेन सदृशं पवित्रमिह विद्यते | तत्स्वयं योगसंसिद्धः कालेनात्मनि विन्दति ||४-३८||

There is no purifier in this world equal to knowledge.

Where Chapter 4 Sits in the Gita

Chapter 3 established that action is unavoidable and desire is the enemy. Chapter 4 grounds that teaching in Krishna's own divine authority and lineage, then reframes action through the paradox of doership. Its praise of renouncing action through knowledge prompts Arjuna's confusion at the start of Chapter 5.

Frequently Asked Questions

What is the famous verse about Krishna taking birth in every age?

Verses 4.7 and 4.8 — 'Whenever there is a decline in righteousness and a rise in unrighteousness, I manifest myself. For the protection of the good, the destruction of the wicked, and the re-establishment of dharma, I am born in age after age.' This pair is the classic scriptural statement of the avatara doctrine.

What does 'action in inaction' mean in Chapter 4?

Krishna calls wise the one who sees inaction in action and action in inaction. What binds a person is not physical activity but the inner sense of being the doer and the craving for results. So someone acting constantly without that claim is, spiritually speaking, at rest — and someone sitting still while consumed by desire is not.

How does Chapter 4 say spiritual knowledge is obtained?

In verse 4.34, Krishna tells Arjuna to learn it by approaching a realised teacher — through humble prostration, sincere questioning, and service. The wise who have seen the truth will teach it. The Gita presents knowledge as something received in relationship, not extracted by intellect alone.

How many verses are in Bhagavad Gita Chapter 4?

Chapter 4 has 42 verses.

4.1

श्रीभगवानुवाच |

The Blessed Lord said I taught this imperishable Yoga to Vivasvan; he told it to Manu; Ma…

4.2

एवं परम्पराप्राप्तमिमं राजर्षयो विदुः |

This, handed down thus in regular succession, the royal sages knew. This Yoga, by long lap…

4.3

स एवायं मया तेऽद्य योगः प्रोक्तः पुरातनः |

That same ancient Yoga has been today taught to thee by Me, for thou art My devotee and My…

4.4

अर्जुन उवाच |

Arjuna said Later on was Thy birth, and prior to it was the birth of Vivasvan (the Sun); …

4.5

श्रीभगवानुवाच |

The Blessed Lord said Many births of Mine have passed as well as of thine, O Arjuna; I kn…

4.6

अजोऽपि सन्नव्ययात्मा भूतानामीश्वरोऽपि सन् |

Though I am unborn, of imperishable nature, and though I am the Lord of all beings, yet, g…

4.7

यदा यदा हि धर्मस्य ग्लानिर्भवति भारत |

Whenever there is decline of righteousness, O Arjuna, and rise of unrighteousness, then I …

4.8

परित्राणाय साधूनां विनाशाय च दुष्कृताम् |

For the protection of the good, for the destruction of the wicked and for the establishmen…

4.9

जन्म कर्म च मे दिव्यमेवं यो वेत्ति तत्त्वतः |

He who thus know, in their true light, My divine birth and action, having abandoned the bo…

4.10

वीतरागभयक्रोधा मन्मया मामुपाश्रिताः |

Freed from attachment, fear and anger, absorbed in Me, taking refuge in Me, purified by th…

4.11

ये यथा मां प्रपद्यन्ते तांस्तथैव भजाम्यहम् |

In whatever way men approach Me even so do I reward them; My path do men tread in all ways…

4.12

काङ्क्षन्तः कर्मणां सिद्धिं यजन्त इह देवताः |

Those who long for success in action in this world sacrifice to the gods; because success …

4.13

चातुर्वर्ण्यं मया सृष्टं गुणकर्मविभागशः |

The fourfold caste has been created by Me according to the differentiation of Guna and Kar…

4.14

न मां कर्माणि लिम्पन्ति न मे कर्मफले स्पृहा |

Actions do not taint Me, nor have I a desire for the fruit of actions. He who knows Me thu…

4.15

एवं ज्ञात्वा कृतं कर्म पूर्वैरपि मुमुक्षुभिः |

Having known this, the ancient seekers after freedom also performed action; therefore do t…

4.16

किं कर्म किमकर्मेति कवयोऽप्यत्र मोहिताः |

What is action?

4.17

कर्मणो ह्यपि बोद्धव्यं बोद्धव्यं च विकर्मणः |

For verily (the true nature) of action (enjoined by the scriptures) should be known, also …

4.18

कर्मण्यकर्म यः पश्येदकर्मणि च कर्म यः |

He who seeth inaction in action and action in inaction, he is wise among men; he is a Yogi…

4.19

यस्य सर्वे समारम्भाः कामसङ्कल्पवर्जिताः |

He whose undertakings are all devoid of desires and (selfish) purposes and whose actions h…

4.20

त्यक्त्वा कर्मफलासङ्गं नित्यतृप्तो निराश्रयः |

Having abandoned attachment to the fruits of the action, ever content, depending on nothin…

4.21

निराशीर्यतचित्तात्मा त्यक्तसर्वपरिग्रहः |

Without hope and with the mind and the self controlled, having abandoned all covetousness,…

4.22

यदृच्छालाभसन्तुष्टो द्वन्द्वातीतो विमत्सरः |

Content with what comes to him without effort, free from the pairs of opposites and envy, …

4.23

गतसङ्गस्य मुक्तस्य ज्ञानावस्थितचेतसः |

To one who is devoid of attchment, who is liberated, whose mind is established in knowledg…

4.24

ब्रह्मार्पणं ब्रह्म हविर्ब्रह्माग्नौ ब्रह्मणा हुतम् |

Brahman is the oblation; Brahman is the melted butter (ghee); by Brahman is the oblation p…

4.25

दैवमेवापरे यज्ञं योगिनः पर्युपासते |

Some Yogies perform sacrifice to the gods alone; while others (who have realised the Self)…

4.26

श्रोत्रादीनीन्द्रियाण्यन्ये संयमाग्निषु जुह्वति |

Some again offer the organ of hearing and other senses as sacrifice in the fire of restrai…

4.27

सर्वाणीन्द्रियकर्माणि प्राणकर्माणि चापरे |

Others again sacrifice all the functions of the senses and those of the breath (vital ener…

4.28

द्रव्ययज्ञास्तपोयज्ञा योगयज्ञास्तथापरे |

Others again offer wealth, austerity and Yoga as sacrifice, while the ascetics of self-res…

4.29

अपाने जुह्वति प्राणं प्राणेऽपानं तथापरे |

Others offer as sacrifice the outgoing breath in the incoming, and the incoming in the out…

4.30

अपरे नियताहाराः प्राणान्प्राणेषु जुह्वति |

Others who regulate their diet offer life-breaths in life-breaths. All these are knowers o…

4.31

यज्ञशिष्टामृतभुजो यान्ति ब्रह्म सनातनम् |

Those who eat the remnants of the sacrifice, which are like nectar, go to the eternal Brah…

4.32

एवं बहुविधा यज्ञा वितता ब्रह्मणो मुखे |

Thus, manifold sacrifices are spread out before Brahman (literally) at the mouth or face o…

4.33

श्रेयान्द्रव्यमयाद्यज्ञाज्ज्ञानयज्ञः परन्तप |

Swami Sivananda did not comment on this sloka

4.34

तद्विद्धि प्रणिपातेन परिप्रश्नेन सेवया |

Know That by long prostration, by estion and by service; the wise who have realised the Tr…

4.35

यज्ज्ञात्वा न पुनर्मोहमेवं यास्यसि पाण्डव |

Knowing ï1thatï1 thou shalt not, O Arjuna, again get deluded like this; and by that thou s…

4.36

अपि चेदसि पापेभ्यः सर्वेभ्यः पापकृत्तमः |

Even if thou art the most sinful of all sinners, yet thou shalt verily cross all sins by t…

4.37

यथैधांसि समिद्धोऽग्निर्भस्मसात्कुरुतेऽर्जुन |

As the blazing fire reduces fuel to ashes, O Arjuna, so does the fire of knowledge reduce …

4.38

न हि ज्ञानेन सदृशं पवित्रमिह विद्यते |

Verily, there is no purifier in this world like knowledge. He who is perfected in Yoga fin…

4.39

श्रद्धावाँल्लभते ज्ञानं तत्परः संयतेन्द्रियः |

The man who is full of faith, who is devoted to it, and who has subdued the senses obtains…

4.40

अज्ञश्चाश्रद्दधानश्च संशयात्मा विनश्यति |

The ignorant the faithless, the doubting self goes to destruction; there is neither this w…

4.41

योगसंन्यस्तकर्माणं ज्ञानसञ्छिन्नसंशयम् |

He who has renounced actions by Yoga, whose doubts are rent asunder by knowledge, and who …

4.42

तस्मादज्ञानसम्भूतं हृत्स्थं ज्ञानासिनात्मनः |

Therefore with the sword of the knowledge (of the Self) cut asunder the doubt of the self …