Nun
\r\n Al-Qalam (The Pen) - Chapter 68: Verse 1
"Nun. By the pen and that which they inscribe."
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\r\n Nun is the Arabic letter n and is among the separated letters (al-muqattaat) at the beginning of several surahs, whose meaning is not specified outwardly and, according to many, is known only to God. This is the earliest surah in the chronological order of revelation in which the separated letters appear.
In light of its cup-shaped form in Arabic script, others say it refers to the “inkwell” from which the pen draws the ink with which it inscribes. In Islamic metaphysics, the Pen is often taken as a symbol for the Divine Intellect or Logos, through which God brought all things into being. What is “written” by the Pen then means existiation of beings in the created order, and the nun is seen to symbolize the reservoir that contains all the possibilities that are manifested in creation.
\r\nAccording to al-Qurtubi, pens are of three principal types: the one that God commanded to write all that would be until the Day of Resurrection; those with which the angels record the deeds of human beings; and those with which human beings write.
\r\nCompiled From:
\r\n \"The Study Quran: A New Translation and Commentary\" - Seyyed Hossein Nasr