Date: 1947, 1958

"Religion, ethics, metaphysics – these are merely the 'spiritual' and 'inner' festivals of human anguish, ways of channelling the black waters of anxiety – and towards what abyss?"

— Lefebvre, Henri (1901-1991)

Date: 1949

"It was as though their two minds had opened and the thoughts were flowing from one into the other through their eyes."

— Orwell, George (1903-1950)

Date: 1979

" But they can be sent along the usual channels […] until at some critical point, a "mental faucet" is closed, preventing them from actually being carried out."

— Hofstadter, Douglas (b. 1945)