As time goes on, I get more and more convinced that the right method of investment is to put fairly large sums into enterprises which one thinks one knows something about and in the management of which one thoroughly believes.
If farming were to be organised like the stock market, a farmer would sell his farm in the morning when it was raining, only to buy it back in the afternoon when the sun came out.
Interpretation
What this quote means
The quote critiques the irrationality of market speculation compared to the more stable, grounded nature of farming.
John Maynard Keynes uses this metaphor to illustrate how wildly unpredictable and sometimes absurd the financial markets can be. He contrasts this with the more practical and measured approach seen in farming, suggesting that if farmers acted like stock traders, they would make hasty decisions based on transient conditions rather than sound judgment, highlighting the folly of treating essential activities like farming with the same speculation and volatility as the stock market.
Themes
In practice
Example use cases
In a discussion about market volatility, one might use this quote to illustrate irrational trading behavior.
More from John Maynard Keynes
All quotes βThe ideas of economists and political philosophers, both when they are right and when they are wrong, are more powerful than is generally understood. Indeed, the world is ruled by little else.
The disruptive powers of excessive national fecundity may have played a greater part in bursting the bonds of convention than either the power of ideas or the errors of autocracy.
We will not have any more crashes in our time.
This long run is a misleading guide to current affairs. In the long run we are all dead. Economists set themselves too easy, too useless a task if in tempestuous seasons they can only tell us that when the storm is long past the ocean is flat again.
The book, as it stands, seems to me to be one of the most frightful muddles I have ever read, with scarcely a sound proposition in it beginning with page 45 [Hayek provided historical background up to page 45; after that came his theoretical model], and yet it remains a book of some interest, which is likely to leave its mark on the mind of the reader. It is an extraordinary example of how, starting with a mistake, a remorseless logician can end up in bedlam.
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