YOU SAID:

He who thinks great thoughts, often makes great errors

INTO JAPANESE

素晴らしい考えをする彼は、しばしば大きな間違いを犯します

BACK INTO ENGLISH

He who thinks great often makes big mistakes

INTO JAPANESE

素晴らしいと思う人はしばしば大きな間違いを犯します

BACK INTO ENGLISH

People who think they are great often make big mistakes

INTO JAPANESE

自分が素晴らしいと思う人はしばしば大きな間違いを犯します

BACK INTO ENGLISH

People who think they are great often make big mistakes