“No phenomenon is a real phenomenon until it is an observed phenomenon.”
Other John Archibald Wheeler Quotes
We live on an island surrounded by a sea of ignorance. As our island of knowledge grows, so does the shore of our ignorance.
John Archibald Wheeler 
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No phenomenon is a real phenomenon until it is an observed phenomenon.
John Archibald Wheeler
58% of people like this quote
In order to more fully understand this reality, we must take into account other dimensions of a broader reality.
John Archibald Wheeler
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Behind it all is surely an idea so simple, so beautiful, that when we grasp it - in a decade, a century, or a millennium - we will all say to each other, how could it have been otherwise? How could we have been so stupid?
John Archibald Wheeler
54% of people like this quote
It is my opinion that everything must be based on a simple idea. And it is my opinion that this idea, once we have finally discovered it, will be so compelling, so beautiful, that we will say to one another, yes, how could it have been any different.
John Archibald Wheeler
53% of people like this quote