Accounting numbers, of course, are the language of business and as such are of enormous help to anyone evaluating the worth of a business and trackin… - Warren Buffett

The sad fact is that most major acquisitions display an egregious imbalance: They are a bonanza for the shareholders of the acquiree; they increase the income and status of the acquirer's management; and they are a honey pot for the investment bankers and other professionals on both sides. But, alas, they usually reduce the wealth of the acquirer's shareholders, often to a substantial extent. That happens because the acquirer typically gives up more intrinsic value than it receives. Do that enough, says John Medlin, the retired head of Wachovia Corp., and "you are running a chain letter in reverse." ... The acquisition problem is often compounded by a biological bias: Many CEOs attain their position in part because they possess an abundance of animal spirits and ego.

The most common cause of low prices is pessimism — some times pervasive, some times specific to a company or industry. We want to do business in such an environment, not because we like pessimism but because we like the prices it produces. It's optimism that is the enemy of the rational buyer.

What counts for most people in investing is not how much they know, but rather how realistically they define what they don't know. "The genius of Warren Buffett in 23 quotes" MarketWatch (19 August 2015)