What is past is what is real.
Jorge Luis Borges
Differing from Newton and Schopenhauer, your ancestor did not think of time as absolute and uniform. He believed it an infinite series of times, in a dizzily growing, ever spreading network of diverging, converging and parallel times.
I cannot walk through the suburbs in the solitude of the night without thinking that the night pleases us because it suppresses idle details, just as our memory does.
Then I reflect that all things happen, happen to one, precisely now. Century follows century, and things happen only in the present. There are countless men in the air, on land and at sea, and all that really happens happens to me.
The Library is a sphere whose exact centre is any one of its hexagons and whose circumference is inaccessible.