Excerpt From: https://www.whitehouse.gov/the-press-office/2016/05/27/remarks-president-obama-and-prime-minister-abe-japan-hiroshima-peace
"...We may not realize this goal in my lifetime. But persistent effort can roll back the possibility of catastrophe. We can chart a course that leads to the destruction of these stockpiles. We can stop the spread to new nations, and secure deadly materials from fanatics.
And yet that is not enough. For we see around the world today how even the crudest rifles and barrel bombs can serve up violence on a terrible scale. We must change our mindset about war itself –- to prevent conflict through diplomacy, and strive to end conflicts after they’ve begun; to see our growing interdependence as a cause for peaceful cooperation and not violent competition; to define our nations not by our capacity to destroy, but by what we build..."