HBH Short: The Inscrutable, Inexorable Arrow of Time

Borges wrote:

“Time is the substance I am made of. Time is a river which sweeps me along, but I am the river; it is a tiger which destroys me, but I am the tiger; it is a fire which consumes me, but I am the fire”

Time is the dimension we all inhabit, through which we propelled in only one direction. Why is this? Can we account for time's arrow? Can we reverse it? Why does time only move in one direction?

See the youtube episode here:

https://www.youtube.com/watch?v=bbXv7vMOjJ8

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