Muwatta Malik 1836
موطأ مالك#1836SahihMalik related to me that Amir ibn Abdullah ibn az-Zubayr would stop speaking when he heard thunder and say, "Glory be to Allah whom the thunder glorifies with His praise and the angels from the fear of Him." (Subhana-aladhee yusabihu ar-radu bi hamdihi wa mala'ikatu min khiyfatihi.) Then he would say, "This is a severe warning to the people of the earth
Scholarly Authentication
We show the most cautious grade (weakest-wins) as the overall label. Individual scholars graded it as follows:
Salim al-HilaliMauquf Sahih
In-book reference: 56:26