I think this is the first Shabad your looking for?
ਸਲੋਕੁਮਃ ੧ ॥
Shalok, First Mehl:
ਦਇਆਕਪਾਹਸੰਤੋਖੁਸੂਤੁਜਤੁਗੰਢੀਸਤੁਵਟੁ ॥
Dhaeiaa Kapaah Santhokh Sooth Jath Gandtee Sath Vatt ||
Make compassion the cotton, contentment the thread, modesty the knot and truth the twist.
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ਏਹੁਜਨੇਊਜੀਅਕਾਹਈਤਪਾਡੇਘਤੁ ॥
Eaehu Janaeoo Jeea Kaa Hee Th Paaddae Ghath ||
This is the sacred thread of the soul; if you have it, then go ahead and put it on me.
ਨਾਏਹੁਤੁਟੈਨਮਲੁਲਗੈਨਾਏਹੁਜਲੈਨਜਾਇ ॥
Naa Eaehu Thuttai Naa Mal Lagai Naa Eaehu Jalai N Jaae ||
It does not break, it cannot be soiled by filth, it cannot be burnt, or lost.
ਧੰਨੁਸੁਮਾਣਸਨਾਨਕਾਜੋਗਲਿਚਲੇਪਾਇ ॥
Dhhann S Maanas Naanakaa Jo Gal Chalae Paae ||
Blessed are those mortal beings, O Nanak, who wear such a thread around their necks.
ਚਉਕੜਿਮੁਲਿਅਣਾਇਆਬਹਿਚਉਕੈਪਾਇਆ ॥
Choukarr Mul Anaaeiaa Behi Choukai Paaeiaa ||
You buy the thread for a few shells, and seated in your enclosure, you put it on.
ਸਿਖਾਕੰਨਿਚੜਾਈਆਗੁਰੁਬ੍ਰਾਹਮਣੁਥਿਆ ॥
Sikhaa Kann Charraaeeaa Gur Braahaman Thhiaa ||
Whispering instructions into others' ears, the Brahmin becomes a guru.
ਓਹੁਮੁਆਓਹੁਝੜਿਪਇਆਵੇਤਗਾਗਇਆ ॥੧॥
Ouhu Muaa Ouhu Jharr Paeiaa Vaethagaa Gaeiaa ||1||
But he dies, and the sacred thread falls away, and the soul departs without it. ||1||
Amanjot Singh