There is no question that an important service is provided to investors by investment companies, investment advisors, trust departments, etc. This service revolves around the attainment of adequate diversification, the preservation of a long-term outlook, the ease of handling investment decisions and mechanics, and most importantly, the avoidance of the patently inferior investment techniques which seem to entice some individuals.
Warren BuffettTake Wrigley's Chewing Gum. I don't think the Internet is going to change how people chew gum.
Warren BuffettIf you understood a business perfectly and the future of the business, you need very little in the way of a margin of safety.
Warren Buffett