YOU SAID:

Somebody once told me that the world was gonna rule me, I ain't the sharpest tool in the shed

INTO JAPANESE

誰かが私に言ったことは、世界は私を支配するつもりだった、私は倉庫で最も鋭い道具ではない

BACK INTO ENGLISH

Someone told me that the world was going to dominate me, I warehouse's sharpest tool is not