Think Together – Nothing Is Wasted

Think Together – Nothing Is Wasted

I was watching a documentary about Ise Jingu, one of Japan’s most sacred shrines.

What surprised me was not its age.

It was the fact that the shrine is rebuilt every twenty years.

At first, this sounded wasteful.

Why would anyone tear down a perfectly good building and build it again?

Then I learned something unexpected.

Ise Jingu is not designed around permanence.

It is designed around circulation.

More than 1,500 rituals are performed there every year. Sacred meals are offered daily to the deities, a tradition that has continued for centuries. Great care is taken to prepare fresh offerings, and many of the resources are produced and managed within the shrine’s own system.

The annual rituals culminate in the Kannamesai Festival, where gratitude is offered for the year’s harvest. Beyond that lies the larger cycle of Shikinen Sengu, the rebuilding of the shrine every twenty years.

At first glance, it looks like destruction.

In reality, it is renewal.

The shrine buildings are constructed from Japanese cypress. Trees are planted and carefully managed for future generations. When a shrine reaches the end of its twenty-year cycle, a new one is built using the same traditional design that has been passed down for centuries.

The old building is then dismantled.

But here is the important part.

The materials are not thrown away.

The sacred timber continues its journey.

Many of the wooden components are reused by other shrines throughout Japan. Some become torii gates. Others become parts of new sacred structures. Even materials such as thatch may find new uses after their original purpose has been fulfilled.

Nothing is wasted.

The building ends.

The materials continue.

The cycle continues.

One detail impressed me even more.

The shrine is not rebuilt on the same site.

Instead, Ise Jingu maintains two adjacent sacred sites, alternating between them every twenty years.

A new shrine is constructed on the alternate site while the existing shrine remains in use.

Only after the new shrine is completed are the sacred objects transferred to their new home.

Then the old structure is carefully dismantled.

This means the cycle is never interrupted.

The shrine does not disappear and then reappear.

Its continuity is preserved throughout the transition.

There is another benefit as well.

While the new shrine is being built, the previous one still stands beside it.

Craftsmen can directly observe the existing structure, preserving details that might never be fully captured in drawings alone.

Knowledge is not merely documented.

It is demonstrated.

Passed from one generation to the next through practice.

In this way, Ise Jingu preserves not only a building, but a living process.

And it is not only the materials that continue.

The knowledge continues.

The skills continue.

The rituals continue.

The values continue.

Every twenty years, master craftsmen pass their knowledge to a new generation. The techniques are practiced again and again. Because the shrine is rebuilt, the knowledge never becomes merely historical.

The building survives by being renewed.

The tradition survives by being practiced.

The culture survives by being shared.

This reminded me of another ancient monument.

The pyramids of Egypt.

The pyramids sought permanence through stone.

Thousands of years later, the stones remain.

Yet many details about how they were built are still debated.

Ise Jingu follows a different path.

The buildings do not remain.

The process remains.

The materials change.

The people change.

The generations change.

Yet the system continues.

One approach preserves the object.

The other preserves the cycle.

Perhaps this is what the Japanese call [常若] Tokowaka.

Often translated as “eternal youth,” it is not about resisting age.

It is about remaining fresh through continuous renewal.

Replacing what must be replaced.

Passing on what must be passed on.

Allowing everything to continue in another form.

As I watched the documentary, I realized that this idea reaches far beyond religion.

In modern society, we often focus on creating things that last forever.

But nothing lasts forever.

Buildings age.

Technologies become obsolete.

Organizations rise and fall.

Even AI systems will eventually be replaced.

The real question may not be how to preserve things forever.

The real question may be how to create systems that renew themselves while preserving their purpose.

Perhaps the future belongs not to systems that never change.

Perhaps it belongs to systems that continuously regenerate, adapt, and pass their knowledge forward.

Ise Jingu has been demonstrating this idea for centuries.

Not through permanence.

But through circulation.

Not through preservation alone.

But through renewal.

Nothing is wasted.

Everything continues.

And perhaps that is one of the deepest forms of sustainability humanity has ever created.

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Topics: #ThinkTogether #IseJingu #Tokowaka #CircularEconomy #Sustainability #JapaneseCulture #SystemsThinking #KnowledgeTransfer #Tradition #Renewal #Continuity #Philosophy #AI #FutureOfSociety #Humanity