It's tough to see the text in some of these but apparently Hitler is talking to an assistant of some sort. You don't know anything about the jews do you? He tells him the jews lack the power to create things, while the aryan people build nations and drive economies, and something about the jews racemixing with the aryans.  I didn't follow the link to see there were more pages. It's quite small and I couldn't read much more than you could, but the final pages mentioned that the jew race-mixed with the Aryans in order to look more like the native Aryans, and that the native Germans had lost their culture and were little more than slaves to the Jews.