If all of them even combine together, even then they can not know their own-selves as dust and water mingled together can not know each other though existing together. In order to perform their respective functions, they await the contact of external objects.
प्रश्लिष्टं च न जानन्ति यथाऽऽप इव पांसवः। बाह्यानन्यानपेक्षन्ते गुणांस्तानपि मे शृणु॥