Unless strategy evaluation is performed seriously and systematically, and unless strategists are willing to act on the results, energy will be used up defending yesterday.

If general perception changes from seeing the glass as 'half-full' to seeing it as 'half empty' there are major innovative opportunities.

They wrongly believe that good intentions move mountains. Bulldozers move mountains. But there are exceptions.

Charisma becomes the undoing of leaders. It makes them inflexible, convinced of their own infallibility, unable to change

No executive has ever suffered because his subordinates were strong and effective.

Ideas are cheap and abundant; what is of value is the effective placement of those ideas into situations that develop into action.

I find more and more executives less and less well informed about the outside world, if only because they believe that the data on the computer printouts are ipso facto information.