The whole enterprise of teaching managers is steeped in the ethic of data-driven analytical support. The problem is, the data is only available about the past. So the way we've taught managers to make decisions and consultants to analyze problems condemns them to taking action when it's too late.

Most people have never thought through how they're going to allocate their time. You need to make a decision in advance.

To become the kind of person you want to become, you've got to have discipline. It's easier to keep to your standards 100 percent of the time versus 98 percent of the time.

Clayton M. Christensen Quotes