The human mind likes lines and logic to build foundations and structures, so we place βtimelinesβ on something that isnβt linear. We see time as a line in which we move forward instead of a force of nature that keeps us spiraling into an upward motion in the shape of a circle.
Looking at the cosmos, you can see that everything moves in circles and is shaped in spheres without beginning or end. No naturally occurring straight lines exist in space. Our entire universe shifts and forms in the shape of a circle.