In the long run we are all dead.

Economists
John Maynard Keynes
Born in Cambridge in 1883, Keynes was the most influential economist of the twentieth century. The General Theory (1936) showed deficient demand causes unemployment, justifying fiscal policy and founding macroeconomics.
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Source: A Tract on Monetary ReformVerified
John Maynard Keynes's Other Quotes
The difficulty lies not so much in developing new ideas as in escaping from old ones.
When the facts change, I change my mind. What do you do, sir?
Practical men, who believe themselves to be quite exempt from any intellectual influences, are usually the slaves of some defunct economist.
The market can stay irrational longer than you can stay solvent.