Yes, Guru Sahib is talking about how hard it is to describe the Awe and Wow factors of Ik Ong Kaar in Pauri 37. Steel is used as a metaphor which is a very tough metal.
In Pauri 38th, the last one, Guru Sahib gives us the tools how to soften 'the steel' to be able to have the glimpse of the immenseness of The Source from the within.
In the Salok at the end, Guru Sahib instructs us how to maintain the Creation's harmony that we have come to know for our own survival.
There is nothing about
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ਕਰਮ ਖੰਡ ਕੀ ਬਾਣੀ ਜੋਰੁ ॥
Karam kẖand kī baṇī jor.
In the realm of karma, the Word is Power.
ਤਿਥੈ ਹੋਰੁ ਨ ਕੋਈ ਹੋਰੁ ॥
Ŧithai hor na ko▫ī hor.
No one else dwells there,
ਤਿਥੈ ਜੋਧ ਮਹਾਬਲ ਸੂਰ ॥
Ŧithai joḏẖ mahābal sūr.
except the warriors of great power, the spiritual heroes.
ਤਿਨ ਮਹਿ ਰਾਮੁ ਰਹਿਆ ਭਰਪੂਰ ॥
Ŧin mėh rām rahi▫ā bẖarpūr.
They are totally fulfilled, imbued with the Lord's Essence.
ਤਿਥੈ ਸੀਤੋ ਸੀਤਾ ਮਹਿਮਾ ਮਾਹਿ ॥
Ŧithai sīṯo sīṯā mahimā māhi.
Myriads of Sitas are there, cool and calm in their majestic glory.
ਤਾ ਕੇ ਰੂਪ ਨ ਕਥਨੇ ਜਾਹਿ ॥
Ŧā ke rūp na kathne jāhi.
Their beauty cannot be described.
ਨਾ ਓਹਿ ਮਰਹਿ ਨ ਠਾਗੇ ਜਾਹਿ ॥
Nā ohi marėh na ṯẖāge jāhi.
Neither death nor deception comes to those,
ਜਿਨ ਕੈ ਰਾਮੁ ਵਸੈ ਮਨ ਮਾਹਿ ॥
Jin kai rām vasai man māhi.
within whose minds the Lord abides.
ਤਿਥੈ ਭਗਤ ਵਸਹਿ ਕੇ ਲੋਅ ॥
Ŧithai bẖagaṯ vasėh ke lo▫a.
The devotees of many worlds dwell there.
ਕਰਹਿ ਅਨੰਦੁ ਸਚਾ ਮਨਿ ਸੋਇ ॥
Karahi anand sacẖā man so▫e.
They celebrate; their minds are imbued with the True Lord.
ਸਚ ਖੰਡਿ ਵਸੈ ਨਿਰੰਕਾਰੁ ॥
Sacẖ kẖand vasai nirankār.
In the realm of Truth, the Formless Lord abides.
ਕਰਿ ਕਰਿ ਵੇਖੈ ਨਦਰਿ ਨਿਹਾਲ ॥
Kar kar vekẖai naḏar nihāl.
Having created the creation, He watches over it. By His Glance of Grace, He bestows happiness.
ਤਿਥੈ ਖੰਡ ਮੰਡਲ ਵਰਭੰਡ ॥
Ŧithai kẖand mandal varbẖand.
There are planets, solar systems and galaxies.
ਜੇ ਕੋ ਕਥੈ ਤ ਅੰਤ ਨ ਅੰਤ ॥
Je ko kathai ṯa anṯ na anṯ.
If one speaks of them, there is no limit, no end.
ਤਿਥੈ ਲੋਅ ਲੋਅ ਆਕਾਰ ॥
Ŧithai lo▫a lo▫a ākār.
There are worlds upon worlds of His Creation.
ਜਿਵ ਜਿਵ ਹੁਕਮੁ ਤਿਵੈ ਤਿਵ ਕਾਰ ॥
Jiv jiv hukam ṯivai ṯiv kār.
As He commands, so they exist.
ਵੇਖੈ ਵਿਗਸੈ ਕਰਿ ਵੀਚਾਰੁ ॥
vekẖai vigsai kar vīcẖār.
He watches over all, and contemplating the creation, He rejoices.
ਨਾਨਕ ਕਥਨਾ ਕਰੜਾ ਸਾਰੁ ॥੩੭॥
Nānak kathnā karṛā sār. ||37||
O Nanak, to describe this is as hard as steel! ||37||
ਜਤੁ ਪਾਹਾਰਾ ਧੀਰਜੁ ਸੁਨਿਆਰੁ ॥
Jaṯ pāhārā ḏẖīraj suni▫ār.
Let self-control be the furnace, and patience the goldsmith.
ਅਹਰਣਿ ਮਤਿ ਵੇਦੁ ਹਥੀਆਰੁ ॥
Ahraṇ maṯ veḏ hathī▫ār.
Let understanding be the anvil, and spiritual wisdom the tools.
ਭਉ ਖਲਾ ਅਗਨਿ ਤਪ ਤਾਉ ॥
Bẖa▫o kẖalā agan ṯap ṯā▫o.
With the Fear of God as the bellows, fan the flames of tapa, the body's inner heat.
ਭਾਂਡਾ ਭਾਉ ਅੰਮ੍ਰਿਤੁ ਤਿਤੁ ਢਾਲਿ ॥
Bẖāʼndā bẖā▫o amriṯ ṯiṯ dẖāl.
In the crucible of love, melt the Nectar of the Name,
ਘੜੀਐ ਸਬਦੁ ਸਚੀ ਟਕਸਾਲ ॥
Gẖaṛī▫ai sabaḏ sacẖī taksāl.
and mint the True Coin of the Shabad, the Word of God.
ਜਿਨ ਕਉ ਨਦਰਿ ਕਰਮੁ ਤਿਨ ਕਾਰ ॥
Jin ka▫o naḏar karam ṯin kār.
Such is the karma of those upon whom He has cast His Glance of Grace.
ਨਾਨਕ ਨਦਰੀ ਨਦਰਿ ਨਿਹਾਲ ॥੩੮॥
Nānak naḏrī naḏar nihāl. ||38||
O Nanak, the Merciful Lord, by His Grace, uplifts and exalts them. ||38||
ਸਲੋਕੁ ॥
Salok.
Shalok:
ਪਵਣੁ ਗੁਰੂ ਪਾਣੀ ਪਿਤਾ ਮਾਤਾ ਧਰਤਿ ਮਹਤੁ ॥
Pavaṇ gurū pāṇī piṯā māṯā ḏẖaraṯ mahaṯ.
Air is the Guru, Water is the Father, and Earth is the Great Mother of all.
ਦਿਵਸੁ ਰਾਤਿ ਦੁਇ ਦਾਈ ਦਾਇਆ ਖੇਲੈ ਸਗਲ ਜਗਤੁ ॥
Ḏivas rāṯ ḏu▫e ḏā▫ī ḏā▫i▫ā kẖelai sagal jagaṯ.
Day and night are the two nurses, in whose lap all the world is at play.
ਚੰਗਿਆਈਆ ਬੁਰਿਆਈਆ ਵਾਚੈ ਧਰਮੁ ਹਦੂਰਿ ॥
Cẖang▫ā▫ī▫ā buri▫ā▫ī▫ā vācẖai ḏẖaram haḏūr.
Good deeds and bad deeds-the record is read out in the Presence of the Lord of Dharma.
ਕਰਮੀ ਆਪੋ ਆਪਣੀ ਕੇ ਨੇੜੈ ਕੇ ਦੂਰਿ ॥
Karmī āpo āpṇī ke neṛai ke ḏūr.
According to their own actions, some are drawn closer, and some are driven farther away.
ਜਿਨੀ ਨਾਮੁ ਧਿਆਇਆ ਗਏ ਮਸਕਤਿ ਘਾਲਿ ॥
Jinī nām ḏẖi▫ā▫i▫ā ga▫e maskaṯ gẖāl.
Those who have meditated on the Naam, the Name of the Lord, and departed after having worked by the sweat of their brows -
ਨਾਨਕ ਤੇ ਮੁਖ ਉਜਲੇ ਕੇਤੀ ਛੁਟੀ ਨਾਲਿ ॥੧॥
Nānak ṯe mukẖ ujle keṯī cẖẖutī nāl. ||1||
O Nanak, their faces are radiant in the Court of the Lord, and many are saved along with them! ||1||