योगवासिष्ठः yogavāsiṣṭhaḥ - book-7, chapter-83, verse-17

यः स्पन्दश्चिद्धनस्यास्य शिवस्यास्य स एव नः ।
स्ववासनावेशवशान्नृत्यमेव विराजते ॥ १७ ॥

yaḥ spandaściddhanasyāsya śivasyāsya sa eva naḥ ,
svavāsanāveśavaśānnṛtyameva virājate 17

17. Whatever is the action of the Intellect, whose consolidated form is called by the name Siva, the same is the cause of our motions also; and as these are actuated by our will and desires, they are called the dance or vacillations.