There Is Nothing So Disastrous As a Rational Investment Policy In an Irrational World

John Maynard Keynes? Milton Friedman? A. Gary Shilling? Albert J. Hettinger, Jr.? Apocryphal? Dear Quote Investigator: Forbes magazine has a fascinating searchable database called “Thoughts On The Business of Life” that contains “more than 10,000 quotes.” The following saying interests me, but the database doesn’t appear to include citations so I am not sure if …