Where on the page does it show Hitler saying that Arabs are not racially inferior to "Aryans"? The page has multiple well-sourced instances of Hitler making explicitly racist comments about Arabs. E.g. "Let us think as men and let us see in these peoples [in the Far East and Arabia] at best lacquered half-apes who are anxious to experience the lash". And as far as hearsay is concerned, the article notes that similar statements are made in Mein Kampf (which, to state the obvious, was written by Hitler personally).