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About this quote

What does it mean?
Any trend or action that is logically impossible to sustain indefinitely will inevitably come to an end.
In plain terms
What cannot last forever will stop eventually.
What can you take from it?
Nothing unsustainable lasts forever.

Where it applies

  • market bubbles
  • population growth
  • habits

Putting it to work

  • plan for change
  • watch indicators
  • accept limits

Questions to consider

  • What unsustainable trends exist now?
  • How do you prepare for change?

Another view

The timing of when it stops is often uncertain.

More from Herbert Stein

  1. 'I belong to the don't-know school of economics.'

    Permalink to quote #2
  2. 'Economists are very good at saying that something cannot go on forever, but not so good at saying when it will stop.'

    Permalink to quote #3

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