"A motorcycle is not as comfortable as a camel or a lumber wagon, but it is very swift, and there is nothing that feels more like flying than to ride a large barytone motorcycle over the country roads at 50 miles an hour, leaping lightly from bump to bump— except to leave the machine when it has struck a rock and to soar swiftly through the unstable atmosphere until some jagged section of the United States interferes with further progress."