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

The whole history of life is a record of cycles.

A journey of four hundred and thirty miles can be made in any part of the United States, but in Turkey it takes as many days.

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.

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

The Negro, however, has been tested on an extensive scale.

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