YOU SAID:

He is truly wise who gains wisdom from another's mishap.

INTO JAPANESE

彼は本当に賢い人は別の災難から知恵を得るです。

BACK INTO ENGLISH

He is really smart people get wisdom from another's.

INTO JAPANESE

彼は本当にスマートな人々 が他人から知恵を得るです。

BACK INTO ENGLISH

He is a really smart people get wisdom from others is.

INTO JAPANESE

彼は本当に賢い人は、他人から知恵を得る。