4000 years after Abraham
It is believed that the greatest pyramid in Egypt was built around 2500 BC, while the era of Abraham started around 2000 BC.
One enigma is why ancient Egyptians could not continue development and advancement of its material civilization.
If they could have continued to expand and diversify their civilization, they must have carried out an industrial revolution even before Abraham was born. But ancient Egyptians could not invent a steam engine, a locomotive, and a railroad system. Virtually they could not invent those machines forever.
For mankind to invent a railroad system, as the greatest product of an industrial revolution, it had to pass through the era of Abraham, the era of Moses, the era of David/Solomon, the era of Pythagoras/Socrates, the era of Alexander the Great/Archimedes, the era of Caesar/Cleopatra, the emergence of Christ Jesus, the era of the Roman Empire, the development of the Vatican, the emergence of Islam, the Middle Ages, the era of Columbus and Luther, development of America and Protestantism, the era of the Scientific Revolution around 1800, and then the Industrial Revolution.
So, while the greatest pyramid in Egypt was built around 2500 BC, the first commercial railroad was introduced in England around 1820. It took 4300 years or more.
It also needed Judaism, Christianity, and Islam for the Industrial Revolution to start on the earth. In addition, this Revolution could not be of course realized without critical scientific and material contribution from Asia: mathematics from Babylonia, India, and Arabia; a marine compass, gunpowder, the paper-making technology, and printing from China.
Today, 200 years after the start of the Industrial Revolution, all the peoples in this world, regardless of different religions they believe in, trust the modern science and technology which is on natural extension of the Industrial Revolution having been launched in the 19th century. Even those who do not believe existence of the God, they believe effect and usability of high-tech products, including medicines and processed foods.
As the the modern science and technology is backed by more than 4300 year-long history, major religions, and works and efforts of various races, it is not a simple system. It has been tested for centuries to show its power. Conversely, such deep and wide background have been able to stop fatally negative influences of the modern civilization on the human society. Nonetheless as mankind is further accelerating development of the modern material civilization, such restraining conditions, accumulated through our long history, might come to be ineffective or useless.
Future science and technology can destroy mankind if it should exceed a certain level where human religions and morality stop following and controlling the blind and violent growth of our material civilization being driven by desire and avarice.
In this context, it is time in deed that we must expect the Second Coming of Christ Jesus 4000 years after the era of Abraham.
The Industrial Revolution has eventually led mankind to believing in Mammon. So, we need another direct interference by the God.
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Luk 11:1 And it came to pass, that, as he was praying in a certain place, when he ceased, one of his disciples said unto him, Lord, teach us to pray, as John also taught his disciples.
Luk 11:2 And he said unto them, When ye pray, say, Our Father which art in heaven, Hallowed be thy name. Thy kingdom come. Thy will be done, as in heaven, so in earth.
Luk 11:3 Give us day by day our daily bread.
Luk 11:4 And forgive us our sins; for we also forgive every one that is indebted to us. And lead us not into temptation; but deliver us from evil.