07/29/1966
https://www.presidency.ucsb.edu...
"He called us to greatness--and we shall never forget either the man or his call."
"At the insistence of the President of his country, he has accepted this call to duty."
"Adlai Stevenson enlarged our horizons as Americans and helped to light the hopes of mankind all around the world."
"He will always have direct and ready access to, and the full and respectful confidence of, the President of the United States and the Secretary of State."