Donald Rumsfeld

Don't be a bottleneck. If a matter is not a decision for the President or you, delegate it. Force responsibility down and out. Find problem areas, add structure and delegate. The pressure is to do the reverse. Resist it. ”

One of your tasks is to separate the 'personal' from the 'substantive.' The two can become confused, especially if someone rubs the President wrong. ”

Make decisions about the President's personal security. He can overrule you, but don't ask him to be the one to counsel caution. ”