Who said "We were not mad, merely specialists on a very narrow line."?

This quote is attributed to John Maynard Keynes.

We were not mad, merely specialists on a very narrow line. - John Maynard Keynes

"We were not mad, merely specialists on a very narrow line."

John Maynard Keynes Knowledge

Economist British 1883–1946

"The difficulty lies not in the new ideas, but in escaping from the old ones."

"In the long run we are all dead."

"Ideas are more powerful than vested interests."

"The market can remain irrational longer than you can remain solvent."

"We're not just after treasure. We're preserving history."

"The mind is humanity's greatest tool."

"A tidy room reflects a tidy mind."

"You can learn a lot about a person by how they keep their space."