Fourth Law of Motion

Long ago, Sir Isaac Newton gave us three laws of motion, which were the work of genius. But Sir
Isaac's talents didn't extend to investing: He lost a bundle in the South Sea Bubble, explaining later, "I can calculate the movement of the stars, but not the madness of men." If he had not been traumatized by this loss, Sir Isaac might well have gone on to discover the Fourth Law of Motion: For investors as a whole, returns decrease as motion increases.

Berkshire Hathaway 2005 Chairman's Letter by Warren Buffett

This statement was written by Warren Buffett, a true value investor. It will not hold true for traders.