As for the Chinese, they are permanent.

All that the other races are not, the Anglo-Saxon, or Teuton if you please, is.

All that the other races have not, the Teuton has.

What race is to rise up and overwhelm us ?" "Ah, you forget the Slav," Corliss suggested slyly.
"The Slav!" Her face fell.

"True, the Slav! The only stripling in this world of young men and gray-beards! But he is still in the future, and in the future the decision rests.