For the source of any characteristic so widespread and uniform as this adaptation to environment we must go back to the very beginning of the human race.

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 only God-ordained fear is the fear of God, and if we fear Him, we don't have to fear anyone or anything else.

I’d rather spend the rest of my life without ever seeing you again, ” he says, “than watch them destroy you because of me.

The bad news is that yesterday sucked. The good news is that yesterday is gone. Today’s a new day. Own it! Shape it! Live it!

Guys should not be allowed to use the Internet all day long. So sad.

Lost luggage is just an opportunity to start afresh.

We're rapidly approaching a world comprised entirely of jail and shopping.

Nearly all human beings love, but nearly none know how to love.

It is not because there is God that devotion has come; because there is devotion, there is God.

All workers want is a fair shake.

I'm not familiar precisely with what I said, but I'll stand by what I said, whatever it was.