The Challenge of Peace speech https://books.google.co.uk/books?id=l-8zjFmqrWsC&pg=PA58&lpg=PA58&dq=%22I+am+convinced+that+the+United+Nations+provides+the+best+road+to+the+future+for+those+who+have+confidence+in+our+capacity+to+shape+our+own+fate+on+this+planet.%22+-quotes&source=bl&ots=4qdPUuEgR7&sig=veV7jGeSlmXbDn1FGnWvTky3kSM&hl=en&sa=X&ved=0ahUKEwjb04WzhLnNAhXBtBoKHbSPAQEQ6AEIHjAA#v=onepage&q=%22I%20am%20convinced%20that%20the%20United%20Nations%20provides%20the%20best%20road%20to%20the%20future%20for%20those%20who%20have%20confidence%20in%20our%20capacity%20to%20shape%20our%20own%20fate%20on%20this%20planet.%22%20-quotes&f=false, 1980
Context: I do not expect miracles or spectacular successes - sound political progress is seldom based in either - but I am convinced that the United Nations provides the best road to the future for those who have confidence in our capacity to shape our own fate on this planet.
Kurt Waldheim: Nationality
Kurt Waldheim was 4th Secretary-General of the United Nations, President of Austria. Explore interesting quotes on nationality.“We can only accomplish what our member nations allow us to accomplish”
quoted in the article The United Nations—How Strong a World Force?, in The Watchtower magazine, September 15, 1974.
Context: You must not expect the United Nations to accomplish miracles. We are made up of sovereign nations. We can only accomplish what our member nations allow us to accomplish.
World-service speech http://www.srichinmoylibrary.com/stsg-8, 1978
Selbstverständlich gibt es keine Kollektivschuld, trotzdem möchte ich mich als Staatsoberhaupt der Republik Österreich für jene Verbrechen entschuldigen, die von Österreichern im Zeichen des Nationalsozialismus begangen wurden.
Rede des Bundespräsidenten Dr. Kurt Waldheim am Vorabend des 50. Jahrestages des „Anschlusses“ Österreichs an Hitlerdeutschland im Österreichischen Fernsehen http://www.uibk.ac.at/zeitgeschichte/zis/library/gehler.html#dok3
Often quoted as simply "There is no such thing as collective guilt".