Shiva Purana
स एष बध्यते पाशैः सुखदुःखाशनः पशुः ॥ लीलासाधनभूतो य ईश्वरस्येति सूरयः ॥ ६२ ॥
These Paśus are bound with Pāśa (noose) and are fed upon joy and misery as their fodder. The wise say that these are but instruments of games and sports of lord Śiva.
english translation
sa eSa badhyate pAzaiH sukhaduHkhAzanaH pazuH ॥ lIlAsAdhanabhUto ya Izvarasyeti sUrayaH ॥ 62 ॥
hk transliteration by Sanscript