http://en.wiktionary.org/wiki/all_roads_lead_to_Rome
Etymology
Modern wording of medieval sentiment; apparently originally a reference to Roman roads generally and the Milliarium Aureum (Golden Milestone) specifically.[1]
Appears in the form Mille viae ducunt homines per saecula Romam (A thousand roads lead men forever to Rome) in Liber Parabolarum, 591 (1175), by Alain de Lille.[2]
The earliest English form appears to be “Right as diverse pathes leden the folk the righte wey to Rome.” in Treatise on the Astrolabe (Prologue, ll. 39–40), 1391, by Geoffrey Chaucer.[3]
[edit] Proverb
all roads lead to Rome
1. different paths can take one to the same goal