Unfortunately, skill in evaluating the business prospects of a firm is not sufficient for successful stock trading, where the key question is whether the information about the firm is already incorporated in the price of the stock. Traders apparently lackthe skill to answer this crucial question, but they appear to be ignorant of their ignorance.
Daniel KahnemanWhen people think of the outcomes of their decisions, they think much more short term than that. They think in terms of gains and losses.
Daniel KahnemanNothing in life is quite as important as you think it is while you're thinking about it.
Daniel KahnemanA general limitation of the human mind is its imperfect ability to reconstruct past states of knowledge, or beliefs that have changed. Once you adopt a new view of the world (or any part of it), you immediately lose much of your ability to recall what you used to believe before your mind changed.
Daniel Kahneman