"Know that your people will judge you on what you can build, not what you destroy."

Now, there are some who question the scale of our ambitions — who suggest that our system cannot tolerate too many big plans. Their memories are short. For they have forgotten what this country has already done; what free men and women can achieve when imagination is joined to common purpose, and necessity to courage.
--President Barack Obama, 20 Jan 2009

( full text of the speech below the cut )

Good luck, Mr. President.