Sahih Muslim 390

The same hadith is transmitted from Zuhri with the same chain of transmission. But in the tradition narrated by Ibn 'Uyaina the words are:" impartial leader and just judge" and in the tradition narrated by Yunus: the" judge judging with justice" and" impartial leader" are not mentioned. And in the hadith narrated by Salih like the one transmitted by Laith the words are:" impartial judge". And in the hadith transmitted by Ziyad the words are:" Till one sajda is better than the worldand what it contains. Then Abu Huraira used to say," recite" if you like: Not one of the People of the Book will fail to believe in him before his death