History is not, of course, a cookbook offering pretested recipes. It teaches by analogy, not by maxims. It can illuminate the consequences of actions in comparable situations, yet each generation must discover for itself what situations are in fact comparable.

We fought a military war; our opponents fought a political one. We sought physical attrition; our opponents aimed for our psychological exhaustion. In the process we lost sight of one of the cardinal maxims of guerrilla war: the guerrilla wins if he does not lose. The conventional army loses if it does not win. The North Vietnamese used their armed forces the way a bull-fighter uses his cape to keep us lunging in areas of marginal political importance.

It is steady, reliable, tough. It never yields to panic. It is never defeated one-sidedly. It achieves everything attainable by character and tenacity.

The elderly are useless eaters.

When I became security advisor, I became familiar with the so-called SIOP war plans, I called in Secretary McNamara and asked him what they were hiding from me, because I couldn't believe that the National policy would foresee such a level of destructiveness.

We first became conscious of the plane publicly on a Monday. I thought then by the weekend it would be done. But then the Chinese military, the defense minister made a statement saying that if there was no apology from the United States, the Chinese military and the Chinese people would never understand. No reference to the government or the Communist Party, and that obviously presented an internal problem to the Chinese leadership, which was travelling at that moment.

Now when I bore people at a party they think it's their fault.