Arabia for the Arabs, Judea for the Jews, and Armenia for the Armenians.
Source, in full
Edwin Samuel, son of Herbert Samuel, the first British High Commissioner for Palestine, spoke with Lawrence in the early 1930s, asking him why some people were labelling Lawrence as an anti-Zionist. Lawrence said that this was nonsense, for he himself had invented the slogan above. (Edwin Samuel, A Lifetime in Jerusalem, 48)