For most individuals, the stock market is best used for investing, not trading...On-line trading may be quick and easy; on-line investing requires old-fashioned elbow grease like researching a company or making the time to appreciate the level of risk. I'm often surprised by investors who spend more time deciding what movie they'll rent than on which stock to buy.
Speech to the National Press Club. 'Plain Talk about On-Line Investing' (1999)