Hadith

We were with the Prophet on a journey, and some men stood up repeating aloud, 'God is most great;' and the Prophet said, 'O men, be easy on yourselves and do not distress yourselves by raising your voices; truly, you do not call to one deaf or absent, but truly to one who hears and sees; and He is with you; and He to whom you pray is nearer to you than the neck of your camel.

Islam began as something strange, and it will become thus again, as it was at the beginning. Blessed, therefore, are the strangers. (He was asked who the strangers are:) The strangers are those who restore what the people have corrupted of my law, as well as those who revive what has been destroyed of it.