A good collection is more than just the sum of its parts.

Develop a respect and reverence for the principle of variation: the idea that the message ain't in the mean, the mode or the median - it's in the differences that occur throughout a population.

If there is a single tragic flaw that mars our biggest enterprises, it is conservatism - the failure to fail, and fail big, in an era of unprecedented volatility and ambiguity.

The principal reason, invariably, most "successful" giant companies rather quickly become also-rans, or just amorphous blobs on the competitive landscape, is their failure to re-tool in anything like a fundamental way. In fact, the worse things get, typically, the more they dig in their heels and defend yesterday's turf.

When you choose a managerial path, you are choosing to devote your life to people. Period.

Perception is all there is. If the customer think he's right, he's right.

Had Twitter been invented earlier, my books would have been shorter.