Number Ninety-Three

Soon after we can see, we are aware that we can also be seen. They eye of the other combines with our own eye to make it fully credible that we are part of the visible world.
If we accept that we can see that hill over there, we propose that from that hill we can be seen. The reciprocal nature of vision is more fundamental than that of spoken dialogue.

---John Berger, cribbing from Winnicott.