‘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. And often dialogue is an attempt to verbalise this – an attempt to explain how, either metaphorically or literally, ‘you see things’, and an attempt to discover how ‘he sees things’.

Reference:

Berger, John (2008). Ways of Seeing. London: Penguin Books Limited