The illusion that we understand the past fosters overconfidence in our ability to predict the future. — Daniel Kahneman Copy Share Image
... overconfidence in one's own ability is the root of much evil. Vanity, egoism, is the deadliest of all characteristics. This vanity, combined with extreme ignorance of conditions the knowledge of which is the very A B C of business… — Alice Foote MacDougall Copy Share Image
