friends of Holy Prophet peace be upon Him

If I were to take a friend other than my Lord, I would take Abu Bakr as a friend." (Hadith)

"God has placed truth upon Umar's tongue and heart. (Hadith)"

"Every Prophet has an assistant, and my assistant will be Uthman."(Hadith)

"You [Ali] are my brother in this world and the next." (Hadith)