YOU SAID:
I can't tell where the journey will end.
INTO JAPANESE
旅がどこで終わるかわかりません。
BACK INTO ENGLISH
You never know where your journey will end.
INTO JAPANESE
あなたの旅がどこで終わるかは決してわかりません。
BACK INTO ENGLISH
You never know where your journey will end.
That didn't even make that much sense in English.