經律異相 6.38

6.38

過去世時。有轉輪王。名曰德主。嘗於一日。起五百塔。高五百由旬（出大智論第五十七卷）。

In a past age, there was a cakravartin named Dezhū (Master of Virtue). Once, in a single day, he built five hundred stūpas, five hundred yojanas high. (Extracted from the Mahāprajñāpāramitopadeśa, fascicle 57)