It takes 150 years to build an investment bank and only five minutes to convince you to sell me preferred stock in it at a 10% interest rate.
Warren BuffettThere 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 Buffett