Adages are fascinating, they are beautiful and usually true. Take everything in moderation, it's universal. There is no example one can think of when this phrase doesn't work. Or better safe than sorry. It's common sense but unfortunately, also commonly forgotten. It is also the basic tenet of investing - don't lose money, look for a big fat margin of safety. That's how we make money.  But not all adages are true. I have had problems with the following three, the more I think about them, the more I believe they are not true. Well, to be more specific, I think they are probably not true more than half the time. Yet, there are many who would believe in them. It then reflects their nascent thought processes and maturity in the markets. Would you agree? 1. Those who can do, those who cannot teach. 2. There are lies, damn lies and...