Anas narrated, The Messenger of Allah (s.a.w) would often say: O Changer of the Hearts! Strengthen my heart upon Your deen. So I said: O Prophet of Allah! We believe in you and what you have come with, but do you fear for us? He said: Yes. Indeed the hearts are between two Fingers of Allah's Fingers, He changes them as He wills.
Hadith
![Picture with quote of And We certainly sent into every nation a messenger, [saying], Worship Allah and avoid Taghut. And among them were those whom Allah guided, and among them were those upon whom error was [deservedly] decreed. So proceed through the earth and observe how was the end of the deniers.](munee.php?files=images/tanzil/every_nation_messenger.jpg&resize=width[400]q[99])