Look for what's missing. Many advisors can tell a President how to improve what's proposed or what's gone amiss. Few are able to see what isn't there.

When there happens to be a weapon of mass destruction suspect site in an area that we occupy and if people have time, they'll look at it.

Don't divide the world into 'them' and 'us.' Avoid infatuation with or resentment of the press, the Congress, rivals, or opponents. Accept them as facts. They have their jobs and you have yours.

Don't speak ill of your predecessors or successors. You didn't walk in their shoes.

Listening to both sides does not necessarily bring about a correct judgment.

It is hard to put a price on some things. What is the value of having prevented nuclear weapons from getting into the hands of a dictator like Saddam Hussein - or of Gadhafi?

We are in the process of trying to liberate that country. And at the moment where the war ends and the coalition forces occupy the areas where those capabilities - chemical and biological weapons - are likely to be, to the extent they haven't been moved out of the country, it obviously is important to find them.