1.   Our approach has worked satisfactorily for the problems we have encountered to date.

2.   The approach also works well when alternatives can be considered and rejected through reasoning and facts.

3.   This approach worked in the past, when the system administrator had to worry about a limited threat.

4.   This approach works perfectly in the Digitopolis section which shows how digital technology will affect our lives.

5.   Traditional managerial approaches do not work because they assume that most people already possess most of the capabilities required for performance.

6.   A methodical approach works best.

7.   A different approach might work.

8.   The approach described in this book needs to be adapted flexibly as no single approach will work alone and compromises must be made.

9.   No single approach will work alone and compromises must be made.

10.   The evidence that this approach will work more generally is patchy, and is furthermore based on a series of assumptions that have not been widely tested.