Lyndon Johnson actually said...

We must clean up our air, clean up our rivers, clean up our streams, and open up the land for our people if we are to preserve the heritage ...

If we don't act promptly, and we don't act prudently and progressively, we will face a real crisis in the quality of American life.

It cannot come without education or without leadership, or without patience and perseverance.

It is tragic that we have tended to neglect these areas amid the rush of metropolitan growth.