「ダモクレス」の版間の差分

（参考資料：{{Cite web |url= http://www.jfklibrary.org/Research/Ready-Reference/JFK-Speeches/Address-Before-the-General-Assembly-of-the-United-Nations-September-25-1961.aspx |title= Address Before the General Assembly of the United Nations |first= John |last= Kennedy |author= John F. Kennedy |authorlink= :en:John F. Kennedy |date= 1961-09-25 |work= Selected Speeches of John F. Kennedy |publisher= John F. Kennedy Presidential Library and Museum |location= Columbia Point, Boston MA 02125, USA |archiveurl= https://www.webcitation.org/60hHsjas1?url=http://www.jfklibrary.org/Research/Ready-Reference/JFK-Speeches/Address-Before-the-General-Assembly-of-the-United-Nations-September-25-1961.aspx |archivedate= 2011年8月4日 |deadurl= no |accessdate= 2011-08-05 |quote= Today, every inhabitant of this planet must contemplate the day when this planet may no longer be habitable. Every man, woman and child lives under a nuclear sword of Damocles, hanging by the slenderest of threads, capable of being cut at any moment by accident or miscalculation or by madness. |ref= |separator= |postscript= |deadurldatedeadlinkdate= 2017年9月 }}）