Ridiculous, but delightful, he thought.

At this rate he could argue with her the night through.
"The test," she repeated, withdrawing her hand without embarrassment.
"We are a race of doers and fighters, of globe-encirclers and zone-conquerors.

We toil and struggle, and stand by the toil and struggle no matter how hopeless it may be.

While we are persistent and resistant, we are so made that we fit ourselves to the most diverse conditions.

Will the Indian, the Negro, or the Mongol ever conquer the Teuton?
Surely not! The Indian has persistence without variability; if he does not modify he dies, if he does try to modify he dies anyway.
The Negro has adaptability, but he is servile and must be led.