Richard Nixon actually said...

On that score, let me just speak as a layman.

H.R. 1 represents a heartening step forward in building up levels of opportunity for our most valued asset---our children.

Now, Therefore, I, Richard Nixon, President of the United States of America, do hereby designate Thursday, July 1, 1971, as National Postal ...

On July 1, 1971, the United States Postal Service will begin operation as an independent establishment of the executive branch of the United...