Perception of Time

“Do not squander time,” said Benjamin Franklin, “for that is the stuff life is made of.” Our consciousness, even more than it is posted in space, unrolls in time. I can imagine abolishing space from my awareness—if, say, I were floating in a sensory deprivation tank or became blind and paralyzed—while still continuing to think as usual. But it’s almost impossible to imagine abolishing time from one’s awareness, leaving the last thought immobilized like a stuck car horn, while continuing to ha...