Love is a force. It is not a result; it is a cause. It is not a product; it produces. It is a power, like money or steam or electricity.
Source: Locked Rooms & Open Doors.
-- 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.