If there is a man on the moon, he's probably an Anti-Semite

By the end of 1909, Zangwill had failed in all of his much-publicized efforts to find land to house an autonomous Jewish polity.  When told that "a politically virgin territory can be found only in the moon," he responded, "Not even there, I fear.  For there is a man  in the moon, and he is probably an Anti-Semite."

[In the Shadow of Zion: Promised Lands Before Israel]