Physical things are cyclical in nature and cease to exist at a point in time. The universe is physical in nature and undergoes endless creation and destruction within a span of time. This is the cyclical nature of the universe.
All manifestations in the physical universe are also cyclical in nature. For example the Earth, Moon, planets, humans, and other living beings. The human body, the mind and emotions are also physical and cyclical in nature and subject to continuous creation and destruction.
This cyclical nature can also be found in other manifestations in the physical universe such sound waves, seasons, floods, droughts among others.
When we say cyclical what we mean is a state of continuous change that goes through endless creation and destruction. When it ceases to exist, a new manifestation happens.
When the Earth goes through its cycles, day and night seasons manifest and de-manifest and a new one is born.
The human body, being physical, simply goes through its cycles, reflecting the larger universe in which it has manifested. The emotions in the human body reflect themselves as either happiness or sadness, undergoing its own creation and destruction and hence having no permanency.
This nature is found in the tiniest level of an atom. The lower manifestation is from the higher manifestation and this goes on endlessly. The cosmos as a bigger manifestation destructs itself at a point in time causing the lower ones to merge into a singularity before another creation begins.
In nature, physical things tend to take spherical shapes to echo the cyclical nature. The parts of the human body have spherical shapes like the head, eyes, ears, rounded fingers, internal organs like the heart and the kidneys. To put it simply, this spherical aspect is reflected in the other living creatures on earth.
Space and time are physical and cyclical.
All things physical are cyclical and spin in a circles.
The human life goes in circles, round and round, day in and day out. The activities we do are also cyclical. We repeat our activities in a given day each day.
The organisations that humans create cannot escape this cyclical nature. Organisations spin year on year the same way executing similar activities only faster every year.
We believe we are progressing rapidly when in reality we are spinning fast without realising that we have come back to the same point where we started. It is much like running in a treadmill, we believe we are rapidly moving and progressing but we remain stuck in the same point.
This spinning happens in the lap of time.
Time progresses with the spinning. Physical things have to perish in the lap of time in accordance with the laws of nature.
We unconsciously get entangled in this spin and its physical nature. We identify ourselves with every element of its nature such as emotions, happiness, sadness, birth and death. But those are cyclical and never exist in the real sense.
However, a choice we do have is to be conscious and aware of this spinning and its relationship with us. Spinning cannot be avoided, but spinning unconsciously can. Once we realise this, we can utilise our life energies better and make living enjoyable.
The other choice is to break free from this cycle of time itself and a few have done it.