“Now let’s consider time as one of the three dimensions. Two-dimensional beings live in the plane of the present, while the past falls away below, and the future falls from above…”
“Let us imagine an orange passing through their world. They first see a small spot, which gradually grows larger and larger…”
“Then the center of the orange appears…”
“The spot briefly stabilizes, then shrinks, and finally disappears.”
“To them the phenomenon of an orange was merely a disk, changing over time.”
Plastic Submission 