The Holy Prophet [s] said: “The one from whom his brother Muslim needs borrowing but he does not give him loan, Allah prohibits him entering Paradise on the Day when the righteous will be recompensed.”[i]

[i] Bihar-ul-Anwar, vol. 76, p. 367

Imam Sadiq [as] said: “He who sits with those who insult the allies of Allah has surely disobeyed Him, the Sublime.”[i]

[i] Usul-i-Kafi, vol. 2, p. 379

Imam Sadiq [a] said: “When you are informed of a fellow companion committing an evil action, then go to him and tell him: ‘O so and so! Either refrain from committing this sin or keep away from us’; then, avoid him unless he does so.”[i]

[i] Wasa’il-ush-Shi’ah, vol. 16, p. 146