Why these two are mentioned together in some part of Quran like Bismillah and Surah-al-Fatiha
Quran doesn't have a single extra word, each and every word has hidden hikmah more vast than galaxies, than why this?
they point to two different dimensions of mercy.
Root is the same — meaning is not Both come from ر-ح-م (rahmah) = mercy, care
Ar-Rahmān (ٱلرَّحْمَٰن)
Meaning: Overwhelming, vast, universal mercy
- Covers everyone — believer, non-believer, human, animal, planet, air (Intense and overflowing)
- A name exclusive to Allah (no one else can be called Rahmān properly)
Think: rain falls on all
That’s Ar-Rahmān.
Ar-Rahīm (ٱلرَّحِيم)
Meaning: Special, continuous, personal mercy
- Selective Especially for the believer (Ongoing and lasting)
- Shows up most clearly in guidance, forgiveness, and the Hereafter
Think: forgiveness after repentance , guidance to truth
That’s Ar-Rahīm.
Why repeat them in Bismillah and Al-Fātiḥah?
Because they set the entire tone of the Qur’an.
It’s like saying:
“I care about everyone, and I care about you specifically.
And there are ayahs where one is mentioned and other is not.Why they’re sometimes together, sometimes not
- Together → Complete mercy (global + personal)
- Rahmān alone → Majesty, authority, overwhelming mercy
- Rahīm alone → Closeness, forgiveness, care for believers.
the more you notice this, the harder it becomes to see the Qur’an as anything but deliberately engineered language. ALSO Ar-Rahmān is never used for humans but Rahīm sometimes is — that’s another fascinating layer.