How it has started from

In the beginning, there were very tiny substances. They were floating and gathering together and caused an explosion. it is the so-called Big Bang. Since then, space has created countless stars while visually expanding rapidly. Its starting point is said to be about 17.5 billion years ago. One of them is the solar system, and the earth , through numerous accidental events, produced organisms from inorganic matters and created life. And through evolution I now exist. The dark future will come back at some point anyway, but it is very satisfying to think in this extent on my own with the help of knowledge. 

 

Under this background, aging and dying must be considered.