Most of the time common stocks are subject to irrational and excessive price fluctuations in both directions as the consequence of the ingrained tendency of most people to speculate or gamble... to give way to hope, fear and greed.
Benjamin GrahamAlways remember that market quotations are there for convenience, either to be taken advantage of or to be ignored.
Benjamin GrahamBoth individual skill (art) and chance are important factors in determining success or failure.
Benjamin Graham