वासनाहीनमप्येतच्चक्षुरादीन्द्रियैः स्वतः ।प्रवर्तते बहिः स्वार्थे वासना नात्र कारणम्
In plain words
Even without vāsanā, this activity - by the senses, the eye and the rest - proceeds of itself, outwardly, toward its own object; vāsanā is not the cause here.