IVU 9-11: Insufficiency of Knowledge
IVU 9-11: Insufficiency of Knowledge

Īśāvāsya Upaniṣad 9-11: Knowledge and Non-Knowledge

The text warns against one-sided worship of knowledge or non-knowledge and seeks the right joining of both.

Dr. Ronald Steiner Dr. Ronald Steiner
Īśāvāsya Upaniṣad 9
अन्धं तमः प्रविशन्ति ये अविद्यामुपासते |
andhaṃ tamaḥ praviśanti; ye a*vidyām upāsate | Analysis ▾ Analysis ▴
andham
accusative singular neuter
adjective
blind
tamas
accusative singular
substantive neuter
darkness
praviśanti
3rd person plural aktive present
previx
verbal root
enter
ye
nominative plural masculine
pronoun rel
who
avidyām
accusative singular
substantive feminine
ignorance
upāsate
3rd person plural medial present
previx
verbal root
worship, devote themselves to
ततो भूय इव ते तमो य उ विदियायां रताः ||9||
tato bhūya iva te tamo; ya u vidi*yāyāṃ ratāḥ ||9|| Analysis ▾ Analysis ▴
tataḥ
adverb
from that, thereafter
bhūyaḥ
accusative singular neuter comperative
adjective
greater
iva
particle
as if
te
nominative plural masculine
pronoun dem
they
tamas
accusative singular
substantive neuter
darkness
ye
nominative plural masculine
pronoun rel
who
u
particle
indeed, but
vidyāyām
lokative singular
substantive feminine
in knowledge
ratāḥ
nominative plural masculine past participle passive
verbal root
delighting, devoted
Metre: Anuṣṭubh
Those (ye | nom pl m) who worship (upāsate | 3p pl med pres) non-knowledge (avidyām | acc sg) enter (praviśanti | 3p pl act pres) blind (andhaṃ | acc sg n) darkness (tamaḥ | acc sg); then (tataḥ) those (te | nom pl m) who (ye | nom pl m) are indeed (u) absorbed (ratāḥ | nom pl m ppp) in knowledge (vidyāyām | loc sg), as it were (iva), [enter] still greater (bhūyaḥ | acc sg n comp) darkness (tamaḥ | acc sg).
Dr. Ronald Steiner - 2026 - historically literal
Those who serve non-knowledge enter blind darkness. Into still deeper darkness, it seems, go those who lose themselves in knowledge alone.
Dr. Ronald Steiner - 2026 - modern transfer

Śaṅkara marks here a new topic for karmiṇaḥ (those who act, ritual practitioners). Avidyā (ignorance) here does not simply mean lack of knowledge, but karma (action, ritual); vidyā (knowledge) means devatā-jñāna (knowledge of deities), not highest Self-knowledge. The critique of one-sided karma or one-sided deity meditation prepares the limited combination of both.

Īśā-Upaniṣad Śaṅkara-Bhāṣya
a*vidyām conj. ed. ] 'vidyām GRETIL2018, LV1958
Critical Apparatus
Into blind darkness enter they
That worship ignorance;
Into darkness greater than that, as it were, they
That delight in knowledge. <4>

<4: This stanza is identical with Bṛih. 4. 4. 10. >
Robert Hume - 1921
In blinde Finsternis fahren,
Die dem Nichtwissen huldigen;
In blindere wohl noch jene,
Die am Wissen genügten sich.
Paul Deussen - 1897
All who worship what is not real knowledge (good works), enter into blind darkness: those who delight in real knowledge, enter, as it were, into greater darkness.
Max Müller - 1879
Īśāvāsya Upaniṣad 10
अन्यदेवाहुर्विद्यया अन्यदाहुरविद्यया |
anyad evāhur vidyayā; a*nyad āhur avidyayā | Analysis ▾ Analysis ▴
anyat
nominative singular neuter
adjective
different, other
eva
particle
indeed, precisely
āhuḥ
3rd person plural aktive perfekte
verbal root
they say
vidyayā
instrumental case singular
substantive feminine
through knowledge
anyat
nominative singular neuter
adjective
different, other
āhuḥ
3rd person plural aktive perfekte
verbal root
they say
avidyayā
instrumental case singular
substantive feminine
through ignorance
इति शुश्रुम धीराणाम् ये नस्तद्विचचक्षिरे ||10||
iti śuśruma dhīrāṇām; ye nas tad vicacakṣire ||10|| Analysis ▾ Analysis ▴
iti
particle
thus
śuśruma
1st person plural aktive perfekte
verbal root
we have heard
dhīrāṇām
genitive plural
substantive masculine
of the wise
ye
nominative plural masculine
pronoun rel
who
naḥ
dative plural
pronoun pers 1p
to us
tat
accusative singular neuter
pronoun dem
this
vicacakṣire
3rd person plural medial perfekte
previx
verbal root
explained, taught
Metre: Anuṣṭubh
[Something] different (anyat | nom sg n) indeed (eva), they say (āhuḥ | 3p pl act perf), [comes] through knowledge (vidyayā | ins sg); [something] different (anyat | nom sg n), they say (āhuḥ | 3p pl act perf), [comes] through non-knowledge (avidyayā | ins sg). Thus (iti) we have heard (śuśruma | 1p pl act perf) from the wise (dhīrāṇām | gen pl), who (ye | nom pl m) explained (vicacakṣire | 3p pl med perf) this (tat | acc sg n) to us (naḥ | dat pl).
Dr. Ronald Steiner - 2026 - historically literal
One thing, it is said, is attained through knowledge, and another through non-knowledge. So we have heard from the wise who explained this to us.
Dr. Ronald Steiner - 2026 - modern transfer

Śaṅkara grounds the combination of karma (action, ritual) and devatā-jñāna (knowledge of deities) in their different fruits. Vidyā (knowledge) leads, in this reading, to the realm of the gods, while avidyā/karma (ignorance as ritual action) leads to the realm of the ancestors. The appeal to the dhīrāḥ (wise ones) shows for him an inherited teacher tradition.

Īśā-Upaniṣad Śaṅkara-Bhāṣya
vidyayā a*nyad conj. ed. ] vidyayān yad GRETIL2018; vidyayā 'nyad LV1958
Critical Apparatus
Other, indeed, they say, than knowledge!
Other, they say, than non-knowledge!<5>
—Thus we have heard from the wise (dhīra)
Who to us have explained It.<6>

<5: The point here made is that both knowledge and lack of knowledge are inadequate for apprehending the Ultimate.>
<6: A somewhat more concrete, and perhaps earlier, form of this stanza occurs as Kena 3 e-h.>
Robert Hume - 1921
Anders als, wozu führt Wissen <1>,
Und wozu führt Nichtwissen, ist's!
So haben von den Altmeistern
Die Lehre überkommen wir.

<1: Der Ausdruck anyad vidyayâ ist eine kühne Ellipse: "verschieden (von dem was) durch Wissen (erreicht wird)". Die Erklärung liegt in Kena 8 b: anyad eva tad viditât.>
Paul Deussen - 1897
One thing, they say, is obtained from real knowledge; another, they say, from what is not knowledge. Thus we have heard from the wise who taught us this <4>.

<4: Cf. Talavak. Up. I, 4; vidyâyah, avidyâyâh, Vâg. Samh.; vidyayâ, avidyayâ, Upan.>
Max Müller - 1879
Īśāvāsya Upaniṣad 11
विदियां च अविद्यां च यस्तद्वेदोभयं सह |
vidi*yāṃ ca a*vidyāṃ ca; yas tad vedobhayaṃ saha | Analysis ▾ Analysis ▴
vidyām
accusative singular
substantive feminine
knowledge
ca
particle
and
avidyām
accusative singular
substantive feminine
ignorance
ca
particle
and
yaḥ
nominative singular masculine
pronoun rel
who
tat
accusative singular neuter
pronoun dem
this
veda
3rd person singular aktive perfekte
verbal root
knows
ubhayam
accusative singular neuter
adjective
both
saha
particle
together
अविद्यया मृत्युं तीर्त्वा विद्ययामृतमश्नुते ||11||
avidyayā mṛtyuṃ tīrtvā; vidyayāmṛtam aśnute ||11|| Analysis ▾ Analysis ▴
avidyayā
instrumental case singular
substantive feminine
through ignorance
mṛtyum
accusative singular
substantive masculine
death
tīrtvā
absolutus
verbal root
having crossed
vidyayā
instrumental case singular
substantive feminine
through knowledge
amṛtam
accusative singular
substantive neuter
immortality
aśnute
3rd person singular medial present
verbal root
attains, enjoys
Metre: Anuṣṭubh
Whoever (yaḥ | nom sg m) knows (veda | 3p sg act perf) knowledge (vidyām | acc sg) and (ca) non-knowledge (avidyām | acc sg), and (ca) this (tat | acc sg n) pair (ubhayam | acc sg n) together (saha), crosses (tīrtvā | abs) death (mṛtyum | acc sg) through non-knowledge (avidyayā | ins sg) and attains (aśnute | 3p sg med pres) immortality (amṛtam | acc sg) through knowledge (vidyayā | ins sg).
Dr. Ronald Steiner - 2026 - historically literal
Whoever recognizes knowledge and non-knowledge together crosses death through non-knowledge and attains immortality through knowledge.
Dr. Ronald Steiner - 2026 - modern transfer

Śaṅkara continues to read vidyā (knowledge) as devatā-upāsanā (worship or meditation on a deity) and avidyā (ignorance) as karma (action, ritual). Whoever performs both together crosses death through karma within the ritual sphere and reaches, through deity-knowledge, a relative amṛta (immortality), not final liberation through Paramātman-knowledge (knowledge of the highest Self).

Īśā-Upaniṣad Śaṅkara-Bhāṣya
vidi*yāṃ conj. ed. ] vidyāṃ GRETIL2018, LV1958
Critical Apparatus
Knowledge and non-knowledge—
He who this pair conjointly (saha) knows,
With non-knowledge passing over death,
With knowledge wins the immortal. <6>

<6: This stanza occurs again in Maitri 7. 9. >
Robert Hume - 1921
Wer das Wissen und Nichtwissen
Beide [als unzulänglich] weiß,
Der überschreitet durch beides <2>
Den Tod und hat Unsterblichkeit.

<2: Nämlich dadurch, daß er Wissen und Nichtwissen als unzulänglich durchschaut. Auf die Gegenüberstellung, daß er durch das eine den Tod überschreite und durch das andre Unsterblichkeit erlange, ist kein Gewicht zu legen, schon deswegen nicht, weil "den Tod überschreiten" und die "Unsterblichkeit erlangen" ganz dasselbe ist. Die nämliche Bemerkung gilt für Vers 14.>
Paul Deussen - 1897
He who knows at the same time both knowledge and not-knowledge, overcomes death through not-knowledge, and obtains immortality through knowledge.
Max Müller - 1879

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