YOU SAID:

Humility is the best quality a leader can possess.

INTO JAPANESE

謙虚さは、リーダーが所有できる最高の品質です。

BACK INTO ENGLISH

Humility is the best quality can be owned by the reader.

INTO JAPANESE

謙虚さは、リーダーが所有できるは最高の品質です。

BACK INTO ENGLISH

Humility can possess is the leader in the are of the highest quality.

INTO JAPANESE

謙虚さを持つことができる最高品質のリーダーです。