The downside was that for 400 ...

The downside was that for 400 years, science has grown up, has arisen and developed as a purely materialist concept and avoided the subject of mind and consciousness, leaving it to the realm of religion. Only with the founding of quantum science in the early part of the 20th century have we realized that the Cartesian Duality is wrong, that body, mind, physicality do interact and they're interrelated.
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 Edgar Mitchell

Quotes from the same author

Perhaps people need to understand some history here. Rene Descartes, in the late 16th, early 17th century, postulated that body, mind, physicality and spirituality belonged to different realms of reality that didn't interact. On a positive side, it got the Inquisition off the backs of the intellectuals and they quit burning them at the stake for disagreeing with the Church.
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 Edgar Mitchell
So, we've gone from covered wagons to going to the moon in just under 100 years. For all the centuries and thousands of years before us, people walked or rode horses, cows, camels or whatever. This so-called modern era, from the late 19th century through now, has been the period of the most amazing development, discovery, innovation and acceleration of change that humans have ever experienced. And it hasn't slowed down yet.
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 Edgar Mitchell
We're not on a sustainable path in civilization. We're on an exponential growth curve, on which we perhaps always have been, but it has turned up sharply at the beginning of the 20th century.
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 Edgar Mitchell
At the beginning of the 20th century, there were less than 3 billion people on the earth, closer to 2 billion. By all measures that we can come up with right now,. with the lifestyle and consumption pattern of the Western industrial civilization, we can probably sustain about 2 billion people on this earth. We already have over 6 billion. China and India are aspiring to come on as industrial nations, aspiring to the lifestyle of the Western world, and it simply can't happen.
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 Edgar Mitchell
It's starting to catch hold, and in large measure it's because we're starting to understand that much of what we have talked about in ancient mythology and mystical experience and so forth can pretty well be modeled within the world of quantum physics. That's a 20th century phenomenon also.
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 Edgar Mitchell