Hadith.3330 - And Imam (as) said regarding the saying of Allah (swt), the Almighty and Glorious: "And whoever conceals it, then indeed his heart is sinful" (Surah Al-Baqarah 2:283)
Imam (as) said: "His heart is disbelieving."
Man Lā Yaḥḍuruh al-Faqīh #184"This refers to before giving testimony."
And regarding His (swt) words: "And whoever conceals it, his heart is indeed sinful" (Surah...