You will be right, over the course of many transactions, if your hypotheses are correct, your facts are correct, and your reasoning is correct. True conservatism is only possible through knowledge and reason.
Warren BuffettBull markets and Bear markets can obscure mathematical laws, they cannot repeal them.
Warren BuffettIn the great majority of cases we simply do not know enough about the industry or company to come to sensible judgments-in that situation we pass.
Warren Buffett