Einstein’s speech remains terrifyingly fresh because the "mode of thinking" never fully changed. Nations still seek security through national stockpiles, not global law.
Some say that world government is impossible. They say that the nations of the world will never give up their sovereignty. They say that human nature is such that war is inevitable. To these people, I say: Look at the alternative. Look at the possibility of a war fought with atomic weapons. Is that a risk you are willing to take? albert einstein the menace of mass destruction full speech
Einstein’s address was not just a warning about the bomb itself, but a critique of human behavior and national sovereignty. Letter from Albert Einstein | National Archives albert einstein the menace of mass destruction full speech