The Holy Prophet (peace be upon him and his household) said: “He who enjoins right and prohibits wrong is the vicegerent of both Allah and His Messenger on the earth.”
Mustadrak-ul-Wasa’il, vol. 12, p. 179
The Holy Prophet (peace be upon him and his household) said: “Whensoever my Ummah undertake to enjoin right and prohibit evil and associate in establishing benevolence, they live happily and prosperously; but when they stop doing so, the blessings will be taken off from them.”
At-Tahthib, vol. 6, p. 181
Imam Amir ul Mu’mineen Ali (A.S.) said: “Enjoining good is the most excellent deed of people.”
Mustadrak-ul-Wasa’il, vol. 12, p.185
Imam Sadiq (A.S.) said: “All good deeds totally, including even the struggle in the Holy War in the way of Allah, comparing with enjoining right and forbidding wrong, is like a small amount of saliva compared with a deep ocean.
Bihar-ul-Anwar, vol. 100, p. 89
Imam Baqir, the fifth Imam, (A.S.) said: ” Allah, Almighty and Glorious, revealed to Prophet Jethro (Shu’ayb) [a]: ‘I will punish one hundred thousand people of your folk. Forty thousand people are from their vicious ones but sixty thousand of them are from their good-doers. Jethro [a] inquired: ‘These are the vicious (who deserve punishment), but what about the good-doers?’ Then, Allah, Almighty and Glorious, revealed to him: ‘They (the good-doers) associated with the sinners and did not become angry because of My wrath.”
Al-Kafi, vol. 5, p. 56
Imam Amir-uI-Mu’mineen Ali (A.S.) said: “Ask others to do good and forbid evil and do know that ‘enjoining right and forbidding wrong’ never draws death near nor ceases sustenance.”
Wasa’il-ush-Shi’ah, vol. 16, p. 120
Imam Sadiq (A.S.) said: “Woe to the people who do not support the religion of Allah by enjoining good and forbidding evil.”
Mustadrak Al-Wasa’il-ush-Shi’ah, vol. 12, p. 181
Companions & Friendship
The Holy Prophet (peace be upon him and his household) said: “Man is influenced by the faith of his friends. Therefore, be careful of whom you associate with.”
Bihar-ul-Anwar, vol. 74, p. 192
Imam Sadiq (A.S.) said: “Be the friend of he who may grace you, not of one whom you are better than.” (- viz. make friends with ones who are higher than you so that you progress.)
Bihar-ul-Anwar, vol. 76, p. 267
Imam Sadiq (A.S.) said: “My most beloved brother is he who (makes me aware of) my faults.”
Bihar-ul-Anwar, vol. 74, p. 282
Imam Amir-ul-Mu’mineen Ali (A.S.) said: “Verily, there are three (types of) friends for a Muslim:
1.The friend who says: ‘I am with you whether you are alive or dead’, and this is his deed. 2.The friend who says: ‘ I am with you unto the threshold of your grave and then I will 3.The friend who says: ‘I will be with you until when you die’, and this is his wealth which will belong to the inheritors when he dies.”
Imam Sadiq (A.S.) said: “Be careful to have truthful friends and try to obtain them, for they are your support when you are in welfare, and your advocator when you have misfortune’.
Bihar-ul-Anwar, vol. 74, p. 187
Imam Sajjad (A.S.) said: “The meeting of the righteous invites you to goodness.”
Bihar-ul-Anwar, vol. 78, p.141
Imam Sajjad (A.S.) said: “Beware of the companionship of the sinful, and helping of the unjust.”
Bihar-ul-Anwar, vol. 78, p.151
source:english.almaaref