Insanity is doing the same thing over and over while expecting different results.
( Jesse Livermore )
Speculation is dealing with the uncertain conditions of the unknown future. Every human action is a speculation in that it is embedded in the flux of time.
( Ludwig von Mises )
It’s ok to be wrong; it’s unforgivable to stay wrong.
( Martin Zweig )
The function of economic forecasting is to make astrology look respectable.
( John Kenneth Galbraith )
Large price changes tend to be followed by more large changes, positive or negative. Small changes tend to be followed by more small changes. Volatility clusters.
( Benoit B. Mandlebrot )
The policy of being too cautious is the greatest risk of all.
( Jawaharlal Nehru )
Optimism means expecting the best, but confidence means knowing how to handle the worst.
( Max Gunther )