YOU SAID:
One day you will leave this world behind
INTO JAPANESE
いつの日か、あなたはこの世界を後に残すでしょう
BACK INTO ENGLISH
Someday, you will leave this world behind
INTO JAPANESE
いつの日か、あなたはこの世界を後にするでしょう
BACK INTO ENGLISH
Someday, you will leave this world behind
That didn't even make that much sense in English.