Definition: Different methods will yield the same result.
Origins: The idiom, “all roads lead to Rome,” was being used as early as the 1100s. It was based off of the ancient Roman road system where roads radiated from the capital of Rome. The road system resembled spokes of a wheel as the picture above shows around the circle.
Ammer, Christine. The American Heritage Dictionary of Idioms. Boston: Houghton Mifflin Company, 1997, 12.