The One Hundred Milliseconds Between the World and You: Oliver Sacks on Perception

“If the doors of perception were cleansed,” William Blake wrote, “everything would appear to man as it is, infinite.” But we are finite creatures, in time and in space, and there is a limit to how much reality we can bear — evolution gave us consciousness so that we may sieve the salient from the infinite, equipped it with attention so that we may narrow the aperture of perception to take in only what is relevant to us from the immense vista of now. The astonishing thing is that even though we a...