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About this quote

What does it mean?
Market irrationality can persist longer than an investor can survive financially.
In plain terms
You might be right about the market but still run out of money before it corrects.
What can you take from it?
Manage risk to survive long enough for logic to prevail.

Where it applies

  • trading
  • investing
  • economic forecasting

Putting it to work

  • position sizing
  • liquidity management
  • long-term planning

Questions to consider

  • How long can you afford to wait?
  • What defines your solvency?

Another view

It assumes markets eventually become rational.

More from John Maynard Keynes

  1. Successful investing is anticipating the anticipations of others.

    Permalink to quote #29
  2. I should have drunk more Champagne.

    Permalink to quote #31
  3. You can't push on a string.

    Permalink to quote #28

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