YOU SAID:
The pain you feel today will be the strength you'll have tomorrow
INTO JAPANESE
今日感じる痛みは明日の強さとなる
BACK INTO ENGLISH
The pain you feel today will be your strength tomorrow
INTO JAPANESE
今日感じる痛みは明日のあなたの強さとなる
BACK INTO ENGLISH
The pain you feel today will be your strength tomorrow
That didn't even make that much sense in English.