Imam Baqir (a.s) said: “It is forbidden to tell a lie, unless it is beneficial for a believer or is meant to defend a believer's faith and religion.”
عن الباقر (عليه السلام) قال
الكذب كله إثم إلا ما نفعت به مؤمنا أو دفعت به عن دين المسلم.
Similar narrations
Mishkāt al-Anwār #976Imam Baqir (a.s) said: “Any form of false swearing is a sin except for those which are beneficial for a believer and help defend a Muslim's...