What Are Paradoxes and Contradictions, Really?

In recent years, people have often said that extreme weather events and large-scale natural disasters are becoming more frequent around the world.
Every time I watch the news, I cannot help but feel a deep sense of awe toward the immense power of nature.

Meanwhile, in our laboratory, where we conduct thought experiments every day, it is almost routine for our knowledge and understanding to fall short, leaving our reasoning at a dead end.
Whenever we encounter something we cannot explain, we instinctively describe it as "a contradiction" or "a paradox."

At that moment, those words may indeed seem appropriate.
Yet perhaps it is worth pausing to ask ourselves a more fundamental question.
Do contradictions and paradoxes truly exist in nature, or are they merely illusions created by the limits of our own understanding?

Throughout the history of science, humanity has repeatedly encountered barriers that came to be known as paradoxes: the motion of planets, the nature of light, quantum behavior, gravity, and the expansion of the universe.
Yet humanity never simply concluded that nature itself was wrong and abandoned further inquiry.

Instead, we asked ourselves, "Perhaps our theories are still missing something."
That mindset led to the discovery of new principles and the construction of deeper scientific theories.
If nature itself were truly contradictory, this universe could never have remained stable even for a single moment.

The Sun continues to shine according to the same physical laws. The Earth faithfully follows its orbit. Living organisms continue their cycles of life.
Nature displays an astonishing degree of consistency.

Perhaps what we call a "contradiction" is nothing more than a name we assign to phenomena whose underlying consistency we have not yet fully understood.
The same may be said of paradoxes.

When confronted with something beyond our understanding, we often replace the honest admission, "I cannot explain this," with the impression that "nature itself must be inconsistent."
But nature is not the one facing a problem.

It is our knowledge that struggles to provide an explanation.
A paradox, therefore, is not evidence that nature is broken.
Rather, it is a signpost marking the current frontier of human understanding.
Beyond that frontier, new discoveries are always waiting.

I have never regarded the phrase "I don't know" as something negative.
On the contrary, I believe it is one of the greatest gifts ever given to human intelligence.
The moment we believe we understand everything, exploration comes to an end.
As long as there remain phenomena we cannot explain, humanity will continue thinking, questioning, and creating new theories.
Science is not the pursuit of collecting correct answers.
It is the pursuit of continually asking why we have not yet found them.

That is why the words "paradox" and "contradiction" bring me an unexpected sense of optimism.
They suggest that somewhere ahead lies knowledge humanity has yet to discover.
The existence of the unknown also implies the existence of future understanding.

At times, we behave as though we are in a position to judge nature.
But perhaps the relationship should be viewed in the opposite direction.
Nature does not require our evaluation.
It simply continues to exist exactly as it is.
The true object of evaluation is not nature itself, but our own ability to understand it.
Nature has never made a mistake.
It is humanity that has repeatedly misunderstood nature.

For that reason, I have come to the following conclusion.
Paradoxes and contradictions do not exist in nature.
What exists is only the incompleteness of human understanding.
The universe does not exist within the limits of what humanity is capable of understanding.
Rather, humanity is slowly expanding its understanding toward the universe.

Nature quietly maintains its harmony at every moment.
What we call a "paradox" simply reminds us that our own intelligence is still somewhere along the journey toward understanding that vast order.
That is why I do not fear paradoxes.
They are not flaws in nature.
They are invitations for humanity to take the next step in its intellectual journey.