There is a two page letter President Obama wrote to Congress when he submitted the bill. Below is the beginning of those two pages.

TO THE CONGRESS OF THE UNITED STATES:
Today, I am pleased to submit to the Congress the enclosed legislative proposal, the "American Jobs Act of 2011," together with a section-by-section analysis of the legislation.
The American people understand that the economic crisis and the deep recession were not created overnight and will not be solved overnight. The economic security of the middle class has been under attack for decades. That is why I believe we need to do more than just recover from this economic crisis -- we need to rebuild the economy the American way, based on balance, fairness, and the same set of rules for everyone from Wall Street to Main Street. We can work together to create the jobs of the future by helping small business entrepreneurs, by investing in education, and by making things the world buys....