We have helped mankind by the works themselves, and, at the same time, we have created the necessary purchasing power to throw in the clutch to start the wheels of what we call private industry. Such expenditures on all of these works, great and small, flow out to many beneficiaries. They revive other and more remote industries and businesses. Money is put in circulation. Credit is expanded and the financial and industrial mechanism of America is stimulated to more and more activity.
Labor makes wealth.
The use of materials makes wealth. To employ workers and material when private employment has failed is to translate into great national possessions the energy that otherwise would be wasted. Boulder Dam is a splendid symbol of that principle. The mighty waters of the Colorado were running unused to the sea. Today we translate them into a great national possession.