The human organism inherits ...

The human organism inherits so delicate an adjustment to climate that, in spite of man's boasted ability to live anywhere, the strain of the frozen North eliminates the more nervous and active types of mind.
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 Ellsworth Huntington

Quotes from the same author

The coast of British Columbia was one of the three chief centers of aboriginal America.
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 Ellsworth Huntington
Although farming of any sort was almost as impossible in the plains as in the dry regions of winter rains farther west, the abundance of buffaloes made life much easier in many respects.
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 Ellsworth Huntington
Fertile soil, level plains, easy passage across the mountains, coal, iron, and other metals imbedded in the rocks, and a stimulating climate, all shower their blessings upon man.
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 Ellsworth Huntington
Although mountains may guide migrations, the plains are the regions where people dwell in greatest numbers.
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 Ellsworth Huntington
With every throb of the climatic pulse which we have felt in Central Asia,, the centre of civilisation has moved this way and that. Each throb has sent pain and decay to the lands whose day was done, life and vigour to those whose day was yet to be.
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 Ellsworth Huntington