Never depend on single income. Make investment to create a second source. - Warren Buffett

Investors making purchases in an overheated market need to recognize that it may often take an extended period for the value of even an outstanding company to catch up with the price they paid.

You know, if I'm playing bridge and a naked woman walks by, I don't ever see her — don't test me on that! ... You know, I wouldn't mind going to jail if I had the right three cell mates, so we could play bridge all the time. ... It takes some investment to play it ... I mean, you cannot sit down and learn how to play it like most games. ... There's a lotta lessons in it ... you have to look at all the facts. You have to draw inferences from what you've seen, what you've heard. You have to discard improper theories about what the hand had as more evidence comes in sometimes. You have to be open to a possible change of course if you get new information. You have to work with a partner, particularly on defense.

When Walter and Edwin were asked in 1989 by Outstanding Investors Digest, “How would you summarize your approach?” Edwin replied, “We try to buy stocks cheap.” So much for Modern Portfolio Theory, technical analysis, macroeconomic thoughts and complex algorithms.