Speculation is a hard and trying business, and a speculator must be on the job all the time, or he'll soon have no job to be on.
( Jesse Livermore )
Investing money is the process of committing resources in a strategic way to accomplish a specific objective.
( Alan Gotthardt )
An object at rest stays at rest and an object in motion stays in motion with the same speed and in the same direction unless acted upon by an unbalanced force.
( Newton )
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 )
Buy on the rumor, sell on the news.
( General )
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 )
There is nothing riskier than the widespread perception that there is no risk.
( Howard Marks )