There are no signposts in the sky to show a man has passed that way before. There are no channels marked. The flier breaks each second into new uncharted seas.
Source: North to the Orient, ch. 1, 1935.
-- Anne Morrow Lindbergh, (Jun 22 1906-2001), US writer; She wrote Listen! The Wind, 1938 and A Gift From the Sea, 1955, and was the wife of Charles Lindbergh.