Yet if you should forget me for a while and afterwards remember, do not grieve.

请不要伤心，如果你一时将我忘却，后来又重新忆起。

youdao

And afterwards remember, do not grieve.

而后又记起，请不要忧伤；

youdao

And if you should forget me for a while and afterwards remember, Do not grieve. With the darkness and corruption leave, a vestige of the thoughts that once I had.

如果你偶尔忘了我，请不要难过，因为我曾有的思想的痕迹，早已随着黑暗与腐烂远离。

youdao