Are they dead that yet speak louder than we can speak, and a more universal language? Are they dead that yet act? Are they dead that yet move upon society and inspire the people with nobler motives and more heroic patriotism? – Henry Ward Beecher
The atomic bomb made the prospect of future war unendurable. It has led us up those last few steps to the mountain pass and beyond there is a different country. – J. Robert Oppenheimer