YOU SAID:

what happens happens and whatever doesn't happen happens only according to happenstance

INTO JAPANESE

何が起こるかが起こるし、偶然によるとだけ起こる何が起こらない

BACK INTO ENGLISH

what will happen and what will happen will happen, by chance and just doesn't happen

INTO JAPANESE

何が起こるか、何が起こるが起こるか、偶然ちょうど起こらない

BACK INTO ENGLISH

or what will happen, what will happen will happen, happen just by accident

INTO JAPANESE

何が起こるか、何が起こるかが起こる、起こる事故だけでや

BACK INTO ENGLISH

accidents happen and what will happen, what will happen will happen only by

INTO JAPANESE

事故が起こるし、だけで起こる、何が起こるか、何が起こる

BACK INTO ENGLISH

accidents happen, and just by happen, what will happen, what will happen

INTO JAPANESE

事故が起こるし、だけで起こる、何が起こる、何が起こるか

BACK INTO ENGLISH

accidents happen, and only in what happens, what will happen, will happen

INTO JAPANESE

事故が起きるし、何が起こるか、何が起こるかが起こるか

BACK INTO ENGLISH

accidents will happen and what will happen, what will happen will happen

INTO JAPANESE

事故が起こるし、何が起こるかが起こる、何が起こる

BACK INTO ENGLISH

accidents happen and what will happen will happen, what will happen

INTO JAPANESE

事故が起こるし、何が起こるかが起こる、何が起こるか

BACK INTO ENGLISH

accidents happen and what will happen will happen, what will happen