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 ...

The urgent necessity for such agreement upon lasting solutions was underlined.

Dick, I want to turn over the agreement to you, signed, sealed, and delivered.

War is obsolete because the progress in mankind's abilities and knowledge make possible and imperative a new measure of national greatness, ...