Nothing makes the earth seem so spacious as to have friends at a distance; they make the latitudes and longitudes.
Henry David Thoreau – Friendship, Distance
In order to understand the world, one has to turn away from it on occasion.
Albert Camus – World, Distance
Every description of events in space involves the use of a rigid body to which such events have to be referred. The resulting relationship takes for granted that the laws of Euclidean geometry hold for "distances;" the "distance" being represented physically by means of the convention of two marks on a rigid body.
