While the text does not say those exact words, it says something very similar.
The man of the future will be a mongrel. Today's races and classes will disappear owing to the disappearing of space, time, and prejudice.
The Eurasian-Negroid race of the future, similar in its outward appearance to the Ancient Egyptians, will replace the diversity of peoples with a diversity of individuals. [22]
Christianity, ethically prepared by the Jewish Essays (John), spiritually prepared by the Jewish Alexandrians (Philo), was regenerated Jewry. Insofar as Europe is Christian, it is in a spiritual sense Jewish, insofar as Europe is moral, it is Jewish.
Almost all of European ethics are rooted in Jewry. All protagonists for a religious or non religious Christian morality, from Augustine to Rousseau, Kant and Tolstoy, were Jews of choice [Wahljuden] in a spiritual sense. Nietzsche is the only non Jew, the only European heathen moralist.
While the text does not say those exact words, it says something very similar.
https://web.archive.org/web/20190305203801/http://balder.org/judea/Richard-Coudenhove-Kalergi-Practical-Idealism-Vienna-1925.php