When you're skiing, if you're not falling you're not trying.

When you raise issues with the President, try to come away with both that decision and also a precedent. Pose issues so as to evoke broader policy guidance. This can help to answer a range of similar issues likely to arise later.

There's another way to phrase that and that is that the absence of evidence is not the evidence of absence. It is basically saying the same thing in a different way. Simply because you do not have evidence that something does exist does not mean that you have evidence that it doesn't exist.

With the press there is no "off the record.

The reality is that terrorists can attack any time at any minute, 24 hours a day, using a variety of techniques, in any place at all. And it's not possible to defend in every place, against every technique, against every conceivable approach. It means that you can't stop every terrorist attack. Innocent men, women and children are going to be killed if terrorists are determined to do it.

If you foul up, tell the President and correct it fast. Delay only compounds mistakes.

Don't 'over-control' like a novice pilot. Stay loose enough from the flow that you can observe it, modify, and improve it.