Surah Ar-Rad Kanzul Iman With Urdu Translation
Sura Ar-Ra'd (Arabic: سورة الرعد, Sūratu ar-Ra'd, "The Thunder") is the 13th sura of the Qur'an, composed of 43 verses. It has Muqattat (Quranic initials) المر (Alif. Lam. Mim. Ra or ALMR).
Sura Ar-Ra'd (Arabic: سورة الرعد, Sūratu ar-Ra'd, "The Thunder") is the 13th sura of the Qur'an with 43 ayat. It is a Madinan sura.

هُوَ الَّذِي يُرِيكُمُ الْبَرْقَ خَوْفًا وَطَمَعًا وَيُنْشِىءُ السَّحَابَ الثِّقَالَ

13:12 He is the One Who keeps visually showing to you people the lightening, causing a state of fear and generating hope of profitability. [release of atmospheric nitrogen brought down by rain-sustenance 45:05]. And He gradually and successively raises the [middle] drifting/trailing heavy laden clouds. [13:12]

The information is that the effect of lightening, in addition to causing mind to perceive threat, also generates a ray of hope of profitability. The statement was a fact for those who listened or read the Qur'an hundreds of years back and is a fact when we read it today after having known effect of lightening in the atmosphere which causes descending of "sustenance and food" for the "demised Earth-lost the salient feature of life-production". Grand Qur'an informs: and that from sustenance/food which Allah has descended from the Sky thereby He rejuvenated the Earth, after its "demise", with this sustenance/food ; [Refer 45:05] [For detailed study please refer 1-Surat Fateh "Word by Word Analysis"]
Short Arabi

لمر ۚ تِلْكَ آيَاتُ الْكِتَابِ ۗ وَالَّذِي أُنْزِلَ إِلَيْكَ مِنْ رَبِّكَ الْحَقُّ وَلَٰكِنَّ أَكْثَرَ النَّاسِ لَا يُؤْمِنُونَ ﴿١﴾ اللَّهُ الَّذِي رَفَعَ السَّمَاوَاتِ بِغَيْرِ عَمَدٍ تَرَوْنَهَا ۖ ثُمَّ اسْتَوَىٰ عَلَى الْعَرْشِ ۖ وَسَخَّرَ الشَّمْسَ وَالْقَمَرَ ۖ كُلٌّ يَجْرِي لِأَجَلٍ مُسَمًّى ۚ يُدَبِّرُ الْأَمْرَ يُفَصِّلُ الْآيَاتِ لَعَلَّكُمْ بِلِقَاءِ رَبِّكُمْ تُوقِنُونَ ﴿٢﴾ وَهُوَ الَّذِي مَدَّ الْأَرْضَ وَجَعَلَ فِيهَا رَوَاسِيَ وَأَنْهَارًا ۖ وَمِنْ كُلِّ الثَّمَرَاتِ جَعَلَ فِيهَا زَوْجَي