YOU SAID:

Do unto others before they do it to you

INTO JAPANESE

彼らはあなたにそれを行う前に自分が他人

BACK INTO ENGLISH

I was someone else before they do it to you

INTO JAPANESE

彼らはあなたにそれを行う前に、私は他の誰かをだった

BACK INTO ENGLISH

They do it to you, or anyone else, before I was

INTO JAPANESE

彼らは、あなたや他の誰にそれを行う前に

BACK INTO ENGLISH

Before they do it to you or anyone else

INTO JAPANESE

彼らはあなたまたは他の誰にそれを行う前に

BACK INTO ENGLISH

Before they do it to you or anyone else