Abu Dharr reported God’s messenger as saying, “He who separates himself a handbreadth from the community has cast off the rope of Islam from his neck.”
Mu'adh b. Jabal reported God’s messenger as saying, “The devil is a wolf to man, like the wolf which harries sheep, catching the one which is solitary, the one which stays far from the flock, and the one which wanders. So avoid the branching paths and keep to the general community.”
Narrated Malik b. Anas, in mursal form, reported God’s messenger as saying, “As long as you hold fast to two things which I have left among you, you will not go astray:
Narrated Ibn ‘Abbas reported God’s messenger as saying, “Things are of three categories:
a matter whose right guidance is clear, which you must follow; a matter whose error is clear, which you must avoid; and a matter about which there is a difference of opinion, which you must entrust to God.”