Let's take a look at the human race. Among the rest of the animal world, man stands out very much.
What exactly?
First, man has the most amazing ability. The ability to create: build houses, create cars, write literary works, make movies, and much more.
Secondly, only a person, in addition to ordinary food, is also able to consume spiritual food: reading books, looking at pictures, watching movies.
Only a person knows how to develop so quickly, studying at school, institutes and universities. Having learned, adapt the surrounding objects for yourself. And only a person is able to transfer the accumulated knowledge to his offspring.
What gives a person these abilities?
Let's try to list these features.
The first step is, of course, the brain. The human brain is one of the largest in the entire animal kingdom. We especially have a developed cerebral cortex, which is responsible for associative thinking. Thanks to this, a person has imagination, which means that he can plan the future. With the help of the cerebral cortex, we can think and talk.
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Also, people have a developed oral cavity, thanks to which they possess speech and the ability to exchange information with each other. Speech helps us to exchange such a huge amount of information between each other, which more than one animal cannot exchange. At the same time, speech helps us think, that is, it helps us to conduct an internal dialogue with ourselves and to reason about something. We can try to think about something in our minds without saying a word to ourselves … Quite difficult, isn't it? (In addition to communication, with the help of the mouth, a person is able to communicate using sign language - deaf people are an example of this, their communication occurs with the help of hands). Also, knowing how to talk, we can pass on our accumulated knowledge to our children. Children are their children. Animals, as a rule, hardly teach their offspring. In animals with more developed brains,cubs learn by themselves, observing their parents. Animals with even less development live on almost the same instincts. Of course, there are exceptions, but they are very far from a person.
Possession of speech has helped humanity to master writing. Writing, on the other hand, made it possible to store information in books, papyrus and even on stones, thereby allowing this information to be transmitted through several generations for many centuries to come. All these skills have allowed people to move very far.
Another feature of a person is his hand. One of the five fingers is the thumb, facing four. As a result, the hand becomes a convenient tool capable of using tools.
According to scientists, all these features were presented to man by evolution in the process of natural selection.
But could people, with the help of evolution, learn everything themselves? Could evolution lead people to the creation of civilization?
How did people - once former animals - master speech and writing?
Could people themselves make fire and use it in forging metal, could they build huge temples and pyramids, and again - could they create their own civilization?
Let's take a look at these questions.
Many ancient manuscripts mention how the gods came from heaven and taught people different knowledge and crafts. Making fire, using metals, craft, healing, agriculture - all this knowledge was, as it were, given by some supernatural beings.
We can remember Prometheus from ancient Greek mythology, who gave people fire, and many other similar legends.
Whole religions were born on the basis of such legends.
There are many religions in our time. The most common are three world religions: Christianity, Islam and Buddhism. We can take the stories about them for fiction, but what if there is a possibility that people were describing real events.
Let's think about how religion could have arisen at all.
How could the first people create a religion? Why did they need it? Really, just trying to explain the phenomena of nature, they came up with supernatural beings who control it all. Or else there were those who could be called gods, angels, and so on.
Is it possible that people from the future have moved to the past? What if they found some kind of monkey with an oral cavity suitable for developing speech; with a hand suitable for making tools? What if we ourselves taught our primitive ancestors everything necessary for them to survive and create civilization? It may seem strange and not real, but it fits into the causal relationship of time.
That's not all. Perhaps we must constantly make sure that humanity does not destroy itself. Perhaps people from the future are constantly monitoring civilization and trying to prevent people from destroying themselves in the process of endless wars!
They also do not allow to degrade mentally, therefore they come to people from the past as sages and teach the mind-mind. Or they look for people from the past and teach them everything necessary for this mission.
We can remember Moses. We can remember Jesus Christ.
What if these people were chosen by people from the future to gather people around them. Perhaps it is through them that we can transmit the laws of morality. (Of course, reading the Bible, in which these prophets were present, you will notice that in some places there are deviations from morality in our understanding. However, in those days, such people could be called saints. The moral laws themselves were only developing then).
Also, all the ancient prophets, with some purpose, fiercely promoted belief in God. Why would the gods have faith in them? Perhaps belief in a story helps preserve this story for centuries. So this story can live up to the creation of a time machine. As a result, knowing history, we can return to that time on this time machine and repeat all the events that happened there.
That is, people from the past could give us a sign that we must return to their past and help them. By helping them, people from the future help themselves, because this is their story.
This applies not only to the Christian religion. This applies to many religions.
In our time, there is a dispute between believers and atheists whether Christ was or not. But in a world where a time machine exists, the dispute will be about: should we create Christ, or not? How significant was he to history? Is it enough just fiction about him, or is he really needed at that time.
Now let's go back to our time. Now we know many diseases: influenza, AIDS, ZIK virus, hepatitis, tuberculosis, and much more. If not for modern medicine, perhaps each of these diseases would have killed as many people as the plague in the past. Together, these diseases could lead humanity to extinction. But really, in the past there were not so many diseases? What if there were? How did people still not die out? Is it possible that people from the future are responsible for such matters.
Maybe people are helped by "ANGELS" who are people from the future? Perhaps, in fact, they are, in a way, some kind of scientist-specialists - each with his own mission, who came to the past. (It happens that someone reading the scriptures represents angels in white robes, and someone scientists in white lab coats. In the end, images of angels in ancient white robes were only in the Middle Ages. Nowhere is there a detailed description of what they looked like clothes actually, if they existed).
Reflecting on this, perhaps time travel can bring together all of the ancient true religions of the world. Who knows, maybe religions were created to avoid chaos among the human population in the past and to take control of the development of civilization. It is also possible that ancient scriptures are in fact the custodians of information that was distorted by many people of their time in attempts to interpret them. In the end, these people hardly understood the technologies and science of the future, so they tried to explain them to their people in their own way.
It can be assumed that we, or rather our descendants, are the very ancient supernatural beings from the legends who helped people in the past, perhaps for a reason.