Investing is an activity of forecasting the yield over the life of the asset; speculation is the activity of forecasting the psychology of the market.
![Investing is an activity of forecasting the yield over the life of the asset; speculation is the activity of forecasting the psychology of the market.](http://cdn.myquotes.org/images/john-maynard-keynes/investing-is-an-activity-of-forecasting-the-yield-over-the-life-of-the-asset-speculation-is-the-activity-of-forecasting.jpg)
Investing is an activity of forecasting the yield over the life of the asset; speculation is the activity of forecasting the psychology of the market.