12/03/1967
https://www.presidency.ucsb.edu...
"It is good to have you here at the White House with us this evening."
"We live together today in 50 States as one people--one people, united and indivisible."
"I don't know what impressions you may have brought here--or what impressions you may be taking away now."
"America is young--as you are young--with its future before it, as your future is before you."