The Messenger of Allah ﷺ said, "True patience is at the first shock."
حدثنا قتيبة حدثنا الليث عن يزيد بن أبي حبيب عن سعد بن سنان
أن رسول الله ﷺ قال الصبر في الصدمة الأولى
No references are available.
[Its isnad is hasan]. Ibn Majah also reported it in the Book of Funerals, Chapter on What Has Been Related About Patience in Calamity, no. 1596, from the hadith of Layth bin Saad, transmitted through him. It is agreed upon [by Bukhari and Muslim] from the hadith of Anas , Bukhari, no. 1283, and Muslim, no. 926. See the hadith that follows.