06/04/1947
https://www.presidency.ucsb.edu...
"We are assembled here to lay the keel of a Navy submarine, the U.S.S. Nautilus."
"I am happy to be here today at this Howard University commencement."
"You can't cure a moral problem, or a social problem, by ignoring it."
"This American Nation of ours is great because of its diversity--because it is a people drawn from many lands and many cultures, bound together by the ideals of human brotherhood."