Man Lā Yaḥḍuruh al-Faqīh
Hadith 3911962 - وَ سَأَلَ رَجُلٌ اَلصَّادِقَ عَلَيْهِ اَلسَّلاَمُ فَقَالَ: آكُلُ وَ أَنَا أَشُكُّ فِي اَلْفَجْرِ فَقَالَ «كُلْ حَتَّى لاَ تَشُكَّ».
Hadith.1962 - A man asked Imam Jafar ibn Muhammad Al-Sadiq (as), "I eat while I am unsure if dawn has risen."
Imam (as) replied: "Eat until you are no longer in doubt."