Are the subtitles correct? It seems like he was saying a lot more.
Translation seems to be accurate. If you have any experience in translation, you would know that due to language nuances, sometimes sentences and expressions need to be rearranged a bit, so that the content of the translation, as far as the meaning of the sentences is concerned, will be comprehensible to readers of the other language.
IINM I was actually present at the time when this talk was delivered, circa 1986.