All the Prophets were brave people
Al-Kāfi|Volume 8|Book 1|Chapter 177
سَهْلُ بْنُ زِيَادٍ عَنِ الرَّيَّانِ بْنِ الصَّلْتِ عَنْ يُونُسَ رَفَعَهُ قَالَ قَالَ أَبُو عَبْدِ اللَّهِ (عليه السلام) إِنَّ اللَّهَ عَزَّ وَ جَلَّ لَمْ يَبْعَثْ نَبِيّاً قَطُّ إِلَّا صَاحِبَ مِرَّةٍ سَوْدَاءَ صَافِيَةٍ وَ مَا بَعَثَ اللَّهُ نَبِيّاً قَطُّ حَتَّى يُقِرَّ لَهُ بِالْبَدَاءِ.
177. Sahl Bin Ziyad, from Al-Rayyaan Bin Al-Salt, from Yunus who said: Abu Abdullah عليه الصلاة والسلام said that: ‘Allah عز وجل Mighty and Majestic never Sent a Prophet عليه السلام at all except that he would have a clear ‘مِرَّةٍ سَوْدَاءَ’ (Seal of Prophet-hood) and Allah عز وجل did not Send a Prophet at all until he accepts the ‘يُقِرَّ لَهُ بِالْبَدَاءِ’ The Decision of Allah at the Start (About the First ‘Al-Noor’-Mohammed صلى الله عليه وعلى آله وسلم and Ayley Mohammed عليه الصلاة والسلام).
- Mirʾāt al-ʿUqūl fī Sharḥ Akhbār Āl al-Rasūl (16/31)
- Ṣaḥīḥ al-Kāfī