YOU SAID:
The sword has no strength unless the hand that holds it has courage
INTO JAPANESE
剣を握る手が勇気を持っていない限り、剣は強さを持たない。
BACK INTO ENGLISH
The sword has no strength unless the hand holding it has the courage to do so.
INTO JAPANESE
手に持っている手に勇気がない限り、剣には力がありません。
BACK INTO ENGLISH
A sword has no power unless you have the courage to hold it in your hand.
INTO JAPANESE
手に持っている勇気がない限り、剣には力がない。
BACK INTO ENGLISH
Unless you have the courage to hold it in your hand, the sword has no power.
INTO JAPANESE
手に握る勇気がない限り、剣には力がない。
BACK INTO ENGLISH
Unless you have the courage to hold it in your hand, the sword has no power.
That didn't even make that much sense in English.