為何如此重要?因為他是把佛教從印度帶向世界的關鍵人物。沒有了他,佛教有可能早已從印度次大陸中湮滅殆盡了。如Anuradha Seneviratna在King Aśoka and Buddhism: Historical and Literary Studies 一書中所指出,「He(阿育王)helped promote the metamorphosis of Buddhism into a world religion that spread peacefully across the face of Asia.」