Most US presidents since World War II have led military actions without a declaration of war by Congress, though most, if not all, have properly consulted and sought support from Congress. That is the wise thing to do.

Remember where you came from.

In the execution of Presidential decisions work to be true to his views, in fact and tone.

Move decisions out to the Cabinet and agencies. Strengthen them by moving responsibility, authority, and accountability their direction.

I am going to leave the future of Europe to the Europeans.

The United States, as all you know, did not come to Iraq for oil, not to occupy. We came here only to help.

... something under $50 billion for the cost. How much of that would be the U.S. burden, and how much would be other countries, is an open question.