05/22/1963
https://www.presidency.ucsb.edu...
"Let both sides explore what problems unite us instead of belaboring those problems which divide us."
"Our progress as a nation can be no swifter than our progress in education. Our requirements for world leadership, our hopes for economic growth, and the demands of citizenship itself in an era such as..."
"The whole country is hopeful that your long experience in the service of your country can be drawn upon further in the years to come."
"Your sincere good wishes are gratefully accepted."