Marshall McLuhan
[Writer and theorist, b. 1911, Edmonton, Alberta, Canada, d. 1980, Toronto, Canada.]
...people can tolerate their images in mirror or photo, but they are made uncomfortable by the recorded sound of their own voices. The photo and visual worlds are secure areas of anaesthesia. 
The age of Jung and Freud is, above all, the age of the photograph, the age of the full gamut of self-critical attitudes.