I have what I call an iron ...

I have what I call an iron prescription that helps me keep sane when I naturally drift toward preferring one ideology over another and that is: I say that I\'m not entitled to have an opinion on this subject unless I can state the arguments against my position better than the people who support it. I think only when I\'ve reached that state am I qualified to speak. This business of not drifting into extreme ideology is a very, very important thing in life
I have what I call an iron prescription that helps me keep sane when I naturally drift toward preferring one ideology over another and that is: I say that I'm not entitled to have an opinion on this subject unless I can state the arguments against my position better than the people who support it. I think only when I've reached that state am I qualified to speak. This business of not drifting into extreme ideology is a very, very important thing in life
 Charlie Munger

Quotes from the same author

Whenever you think something or some person is ruining your life, it's you. A victimization mentality is so debilitating.
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 Charlie Munger
The Internet bubble circa 2000 is the most extreme in modern capitalism. In the 1930s, we had the worst depression in 600 years. Today is almost as extreme in the opposite way.
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 Charlie Munger
In the 1930s, there was a stretch where you could borrow more against the real estate than you could sell it for. I think that's what's going on in today's private-equity world.
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 Charlie Munger
If you turn on the television, you'll find the mothers of the most obvious criminals that man could ever diagnose, and they all think their sons are innocent. That's simple psychological denial. The reality is too painful to bear, so you just distort it until it's bearable. We all do that to some extent, and it's a common psychological misjudgment that causes terrible problems.
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 Charlie Munger
You don't want to be like the motion picture exec who had so many people at his funeral, but they were there just make sure he was dead. Or how about the guy who, at his funeral, the priest said, "Won't anyone stand up and say anything nice for the deceased?" and finally someone said, "Well, his brother was worse.
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 Charlie Munger