A Quote by Peter L. Bernstein

What if I am wrong? Any rational investment plan has to start with that question. — © Peter L. Bernstein
What if I am wrong? Any rational investment plan has to start with that question.
No matter what you do, any country in the world is going to have the ability to set its own rules internally. Any country in the world can pull the plug. It's not a question of technical issues, it's not a question of right or wrong, it's not a question of whether global Internet governance is right or wrong. It's just with us.
When you look at any experimental work not directly related to economics, but trying to test rational behavior in other ways, experiments have conspicuously failed to show rational behavior. Macro evidence certainly suggests deviations from rationality, but I don't want to say the rationality hypothesis is completely wrong. If you have any introspective idea or experimental idea about people's behavior, it seems to be incompatible with the really full scale rational expectations.
Its success lies in the fact that it's an insurance plan, not an investment plan or a welfare plan.
No plan can prevent a stupid person from doing the wrong thing in the wrong place at the wrong time - but a good plan should keep a concentration from forming.
It's all emotion. But there's nothing wrong with emotion. When we are in love, we are not rational; we are emotional. When we are on vacation, we are not rational; we are emotional. When we are happy, we are not [rational]. In fact, in more cases than not, when we are rational, we're actually unhappy. Emotion is good; passion is good. Being into what we're into, provided that it's a healthy pursuit, it's a good thing.
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.
Founders go wrong when they start to believe their business plan will materialize as written. I advise entrepreneurs to burn their business plan - it's simply too dangerous to the health of your business.
I am convinced that all this poverty in Mexico and in Latin America, like it's happening in China is the opportunity to grow. It's an opportunity for investment; it's an economic activity and to take out poverty is the best investment any person or a person can do in any place.
I plan to eliminate the equity cap in investment, and I also plan large-scale deregulation to meet global standards.
Raymond Aron ascribes to Weber the view that 'each man's conscience is irrefutable.' ... while [Weber] holds that an agent may be more or less rational in acting consistently with his values, the choice of any one particular evaluative stance or commitment can be no more rational than any other. All faiths and all evaluations are equally non-rational.
There's nothing wrong with a plan, but remember Von Moltke's famous dictum that no plan survives first contact with the enemy. The danger is a plan that seduces us into thinking failure is impossible and adaptation is unnecessary - a kind of ‘Titanic' plan, unsinkable (until it hits the iceberg).
The question is not about whether it will work or not. It's how quickly we can pull it off. Structural change will happen. When economies grow, there comes a time when you cannot rely on investment alone. We had that. The return on investment is becoming less and less. So we have to change. The old model doesn't work anymore. It's a question of speed.
Groupon looked like a very high valuation, but any investment in a great company at any stage is almost always a good investment.
The rational approach start from the idea that everything is explainable and that mystery is in some sense the enemy. This means that it prefers pejorative, and even wrong, answers to admitting its own lack of understanding.
People do not see that the main question is not : "Am I loved?" which is to a large extent the question : "Am I approved of? Am I protected? Am I admired?" The main question is: "Can I love?
Investment must be rational; if you can't understand it, don't do it.
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