Chapter 40 Euclid space

The physics with Newton who wrote the philosophical book "Principia" in the 17th century was thought to be absolute until Einstein released special theory of relativity in 1905 and the general theory of relativity later by the 10 years.
What is different in Einstein's theory and Newton's theory?
If putting it into single word, Newton made the Cosmos or Universe having to do with metaphysics as the absolute existence in spite of making the movement law of the object which exists in the absolute space clear, Einstein changed the condition not making time and space as the absolute existence having to do with physics of Time and Space.
In the world where we live at present, the Newtonian dynamics is shining sternly and there is not a point which contradicts Einstein's theory.
Notwithstanding to the fact that the world where Newton thought as is absolutely. Einstein thought that the Cosmos is four dimensional world of Time and Space and is changing with the time.
However, if attempting to verify what the world of Time and Space is about which Newton assumed that it is absolute existence and Einstein made relative existence, it is a relief for the human being who is a life form in the space.
What will Time of the one dimension and Space of the three dimensions be making combination of the world of Time and Space in the four dimensions world?
When looking up at the sky, the round sky can be seen.
Will the sky which you look up seem to be round?
The sky to look up at in the town doesn't seem to be round.
It is indeed round sky when looking up at the sky at the center of the Pacific Ocean but not round because the mountain and the building becoming obstacle.
This is the proof that the earth is round.
Round can be seen when seeing from the top of the round one.
It is a very simple reason.
Because our universe is expanding like radiation since Big Bang, the end of our universe is possibly round too.
Actually, the four dimensional world of Time and Space is round and revolving.
It is what we call the world of Time and Space, but it can not be actually recognized.
The Cosmos which we can recognize is that Euclidean space of Euclidean geometry which was learned in the junior high school.
Generally, the world of Time and Space is the time of the forth dimension and the space of three dimensions, the dimension of the time is different from the other three dimensions which shows space, to be vertical, the side, the height.
Persistently, we are talking on the theory, it doesn't exist as the actual state.
However, we can not know the beginning and the end of the space.
There is space in both theory and actual.
For its purpose, the forth dimension of Time must be absolutely thought of by the level which is the same as the other three dimensions of the space.
Now, the world of Time and Space can be recognized and such spatiotemporal world is called the world of Euclidean Time and Space.
Then, to make Time the same as the dimensional level of Space, it couldn't be made of real time.
The world in the imaginary time and the space composed becomes like Euclidean.
The world where we live is the one having to do with Euclidean Time and Space to which we don't notice..
It occurs indeed from the difference of the concept of the Time.
As far as the time moves forward to the future from the past horizontally, it is the real time.
It is possible to be only a world in Time and Space, but to take Time vertically, the world of Euclidean Time and Space can be recognized and it is the only way of solving all problems which the human being has.