Doing paath yesterday, I found this tukk :
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ਮਾਝ ਮਹਲਾ 3 ॥
maajh mehalaa 3 ||
Maajh, Third Mehla:
ਉਤਪਤਿ ਪਰਲਉ ਸਬਦੇ ਹੋਵੈ ॥
outhapath paralo sabadhae hovai ||
Creation and destruction happen through the Word of the Shabad.
ਸਬਦੇ ਹੀ ਫਿਰਿ ਓਪਤਿ ਹੋਵੈ ॥
Sabadhae hee fir oupath hovai ||
Through the Shabad, creation happens again.
Many people believe that Shakti of Vaheguru is something different from Naam Khanda but the above gurbani tukks make it clear that Naam is the creative and destructive Shakti of Vaheguru jee.