Sahih Bukhari
Divine Will (Al-Qadar)
Volume: 008 / Book Number: 077 / Hadith Number: 608
Narrated Abu Said Al-Khudri:
That the Prophet said, "No Caliph is appointed but has two groups of advisors: One group advises him to do good and urges him to adopt it, and the other group advises him to do bad and urges him to adopt it; and the protected is the one whom Allah protects."