Abu Musa said:
"The Messenger of Allah (s.a.w) was asked: 'Which of the Muslims is the most virtuous?' He said: 'The one whom the Muslims are safe from his tongue and his hand.'" (ES)
English reference (ES): Vol. 4, Book 11, Hadith 2504 (ES)
Arabic reference (ES): Book 37, Hadith 2692 (ES)