04/20/1961
https://www.presidency.ucsb.edu...
"Our real objective is to make our own tests unnecessary, to prevent others from testing, to prevent the nuclear arms race from mushrooming out of control, to take the first steps toward general and co..."
"The leaders of the Soviet Union are also watching this decision."
"That is why this Nation has long urged an effective worldwide end to nuclear tests."
"In the absence of any major shift in Soviet policies, no American President--responsible for the freedom and the safety of so many people--could in good faith make any other decision."