It is the hallmark of any deep truth that its negation is also a deep truth.
Interpretation
Deep truths often possess dualities where their opposites are equally profound.
Niels Bohr's quote suggests that truths are often complex and multifaceted, indicating that understanding one aspect of a truth can lead to the realization that its opposite also holds validity. This reflects the idea that knowledge is not simply binary but rather exists within a spectrum where opposing concepts can coexist as meaningful and profound.
In practice
In a philosophical discussion about the nature of truth.
When asked ... [about] an underlying quantum world, Bohr would answer, 'There is no quantum world. There is only an abstract quantum physical description. It is wrong to think that the task of physics is to find out how nature is. Physics concerns what we can say about Nature.'
An independant reality in the ordinary physical sense can neither be ascribed to the phenomenon nor to the agencies of observation.
An expert is a man who has made all the mistakes which can be made, in a narrow field.
Those who are not shocked when they first come across quantum theory cannot possibly have understood it.
When searching for harmony in life one must never forget that in the drama of existence we are ourselves both actors and spectators.
And anyone who thinks they can talk about quantum theory without feeling dizzy hasn't yet understood the first thing about it.
Their whole life depends on spending money, and now they’ve got none to spend. That’s our civilization and our education: bring up the masses to depend entirely on spending money, and then the money gives out.
Apart from the cross, there is no other ladder by which we may get to heaven.
Sometimes it seemed like the truth was a bandy-legged soul who dashed from one side of the world to the other and I could never find him.
Our repugnance to death increases in proportion to our consciousness of having lived in vain.
Just when I discovered the meaning of life, they changed it.
Gourmandise is an impassioned, rational, and habitual preference for all objects which flatter the sense of taste.
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