Thus the races, though alike in their physical response to climate, may possibly be different in their mental response because they have approached America by different paths.

History in its broadest aspect is a record of man's migrations from one environment to another.

Although mountains may guide migrations, the plains are the regions where people dwell in greatest numbers.

In America the most widespread type of forest is the evergreen coniferous woodland of the north.

America forms the longest and straightest bone in the earth's skeleton.

The coast of British Columbia was one of the three chief centers of aboriginal America.

The buffalo is a surprisingly stupid animal.

Geologists are rapidly becoming convinced that the mammals spread from their central Asian point of origin largely because of great variations in climate.

We are learning, too, that the love of beauty is one of Nature's greatest healers.

Year by year we are learning that in this restless, strenuous American life of ours vacations are essential.

As a matter of fact, an ordinary desert supports a much greater variety of plants than does either a forest or a prairie.

The best kind of praise is intelligent praise.

Dance constitutes a true recapturing of... freedom and childish play.

Washington's birthday is as close to a secular Christmas as any Christian country dare come this side of blasphemy.

Experience precedes understanding.

I know how to run a nationally paced campaign.

There is a vast difference between failure and temporary defeat.

If you're excited about what you're doing, it's a lot more likely that your employees will also be excited. People want to work for a person, not a company. It's about relationships.

I write to create red in a world that often appears black and white.

Freedom means the supremacy of human rights everywhere.

Joy is the triumph of life; it is the sign that we are living our true life as spiritual beings.