بِسْمِ اللَّهِ الَّذِي لَا يَضُرُّ مَعَ اسْمِهِ شَيْءٌ فِي الْأَرْضِ وَلَا فِي السَّمَاءِ وَهُوَ السَّمِيعُ الْعَلِيمُ

Transliteration: Bismillahil-ladhi la yadurru ma'asmihi shay'un fil-ardi wa la fis-sama'i wa huwas-Sami'ul-'Alim.

Translation: In the name of Allah, with whose name nothing on earth or in the heavens can cause harm, and He is the All-Hearing, the All-Knowing.

How many times: 3 times

Source: Sunan Abi Dawud 5088; Jami at-Tirmidhi 3388

When to recite

In the morning and in the evening.

Number of times: 3 times

Virtue

The Prophet ﷺ said that whoever says it three times in the evening will not be struck by a sudden affliction until morning, and whoever says it three times in the morning will not be struck by a sudden affliction until evening.

About this dua

Narrated by Uthman ibn Affan. The narrator, Aban ibn Uthman, was later afflicted with partial paralysis and explained that on that day he had forgotten to say it — a reminder of how seriously the early Muslims took these words.

Source and authenticity

The English translation is our own, kept close to the Arabic. Hadith numbers follow the standard numbering used on sunnah.com.