06/28/1963
https://www.presidency.ucsb.edu...
"Time may not always be our friend."
"The earth can be an abundant mother to all of the people that will be born in the coming years if we learn to use her with skill and wisdom."
"But if I were to name a single thing which points up the difference this century has made in the American attitude toward science, it would certainly be the wholehearted understanding today of the imp..."
"We are particularly glad to welcome the President of Bolivia because this has been his life work--in years of exile as well as years of the Presidency he has attempted to maintain a free country, nati..."