04/04/1968
https://www.presidency.ucsb.edu...
"Their more immediate causes lie in the growth of technology, in industry, and, of course, urbanization."
"The obligations of the non-proliferation treaty will reinforce our will to bring an end to the nuclear arms race."
"They feel the restraints they will voluntarily accept give them the right to such a pledge."
"No nation is more aware of the perils in the increasingly expert destructiveness of our time than the United States."