Bhagavad Gita 5.9
Though he talks, gives, receives, opens his eyes, and shuts them, he still knows that his senses are merely disporting themselves among the objects of perception.
प्रलपन्विसृजन्गृह्णन्नुन्मिषन्निमिषन्नपि।
इन्द्रियाणीन्द्रियार्थेषु वर्तन्त इति धारयन्॥pralapanvisṛjangṛhṇannunmiṣannimiṣannapi|
indriyāṇīndriyārtheṣu vartanta iti dhārayan||
English translation (above): Shri Purohit Swami (1935), public domain. Sanskrit text via github.com/gita/gita (Unlicense).