Management is a far more homely business than its would be scientists suggest, more closely allied to cookery than any other human activity. Like coo… - Robert Heller

Although he reputedly hated the label of ‘guru’, Peter Drucker was, by any standards, the greatest management guru the world has yet seen. In 1996, the McKinsey Quarterly journal described him as the ‘the one guru to whom other gurus kowtow’ and Robert Heller described him as ‘the greatest man in the history of management’, praise indeed for a man who described himself as ‘just an old journalist’.

Managers are to information as alcoholics are to booze. They consume enormous amounts, constantly crave more, but have great difficulty in digesting their existing intake.

Decision tree - The most picturesque of all the allegedly scientific aids to making decisions. The analyst charts all the possible outcomes of different options, and charts all the latters' outcomes, too. This produces a series of stems and branches (hence the tree). Each of the chains of events is given a probability and a monetary value.