11/20/1947
https://www.presidency.ucsb.edu...
"What we must do instead--what we are doing--is to make use of every opportunity we have to advance the arts of peace and respond to human needs."
"I am glad to be a part of it, and I hope you are a good prophet."
"We are assembled here to lay the keel of a Navy submarine, the U.S.S. Nautilus."
"I am very glad to be here today in Groton, Connecticut."