"Then came his eureka moment: “I discovered that no one had ever gone to every country in the world completely without flying [in one unbroken trip].” (A Britis

"Then came his eureka moment: “I discovered that no one had ever gone to every country in the world completely without flying [in one unbroken trip].” (A British man, Graham Hughes, has set foot in every country without flying, but took two breaks from the journey for personal reasons.)"