Imam Sadiq (a.s) said: “There is no good in one who does not believe in the practice of concealing faith. And one who does not practice concealing faith does not have faith.”
وعنه (عليه السلام) قال
لا خير فيمن لا تقية له، ولا إيمان لمن لا تقية له.
Similar narrations
Mishkāt al-Anwār #188“One who is not pious is not religious, and one who does not practice concealing faith does not have faith. The dearest one from among you...