The experience of being disastrously wrong is salutary; no economist should be denied it, and not many are. The best, most elegant and most applauded designs can fail, and greatly to your surprise if, in persuading others of their excellence, you have persuaded yourself.

John Kenneth Galbraith (1908-2006) Canadian-American economist, diplomat, author

A Life in Our Times, ch. 11 “The Dynamics of Error” (1981)
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