四分律比丘含注戒本 3.459

3.459

此賢劫前三十四劫出興于世，八十年中常說此偈，後方廣說。

[This Buddha] arose in the world thirty-four kalpas before this Bhadrakalpa. For eighty years he regularly spoke this verse; only later did he expound [the precepts] extensively.