Hitler's Concept of Concentration Camps

The German government in the pre-war years would generally use the Boer Wars camps as an excuse for their own camps. Hitler is also known to have stated during his run up to the invasion of Poland when they were talking about getting rid of the Polish Jews and people brought up like this is going to cause an international outcry. A sentence he famously is credited to have said is, who now speaks to day of Armenians? Who now speaks to the day of the Armenians?