Al Quran : Ayat (proofs, evidence, signs, etc.) for people of understanding

 *Bismillahirrahmanirrahim*

القرآن: إِنَّ فِي خَلْقِ السَّمَاوَاتِ وَالْأَرْضِ وَاخْتِلَافِ اللَّيْلِ وَالنَّهَارِ وَالْفُلْكِ الَّتِي تَجْرِي فِي الْبَحْرِ بِمَا يَنفَعُ النَّاسَ وَمَا أَنزَلَ اللَّهُ مِنَ السَّمَاءِ مِن مَّاءٍ فَأَحْيَا بِهِ الْأَرْضَ بَعْدَ مَوْتِهَا وَبَثَّ فِيهَا مِن كُلِّ دَابَّةٍ وَتَصْرِيفِ الرِّيَاحِ وَالسَّحَابِ الْمُسَخَّرِ بَيْنَ السَّمَاءِ وَالْأَرْضِ لَآيَاتٍ لِّقَوْمٍ يَعْقِلُونَ

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Al Quran : Verily in the creation of the heavens and the earth, and in the alternation of night and day, and the ships which sail through the sea with that which is of use to mankind, and the water (rain) which Allah sends down from the sky and makes the earth alive therewith after its death, and the moving (living) creatures of all kinds that He has scattered therein, and in the veering of winds and clouds which are held between the sky and the earth, are indeed Ayat (proofs, evidence, signs, etc.) for people of understanding.

Surah AL-Baqara 2 : 164

Al Quran : Prostrate yourselves not to the sun nor to the moon, but prostrate yourselves to ALLAH

Bismillahirrahmanirrahim 

Al Quran: And from among His signs are the night and the day, and the sun and the moon. Prostrate yourselves not to the sun nor to the moon, but prostrate yourselves to ALLAH Who created them, if you (really) worship Him.
Surah Fussilat (41), verse 37

Al Quran : And those who have no knowledge say: "Why does not Allah speak to us

Bismillahirrahmanirrahim 

Al Quran : And those who have no knowledge say: "Why does not Allah speak to us (face to face) or why does not a sign come to us?" So said the people before them words of similar import. Their hearts are alike, We have indeed made plain the signs for people who believe with certainty.
AL Quran , Surah Al-Baqarah (2) , 118

Al Quran : Do they not see the birds held (flying) in the midst of the sky? None holds them but Allah [none gave them the ability to fly but Allah]. Verily, in this are clear Ayat (proofs and signs) for people who believe (in the Oneness of Allah).
Surah An-Nahl (16) Verse 79

Al Quran: Allah alternates the night and the day. Indeed in that is a lesson for those who have vision.
Surah An-Noor (24), Verse 44

Al Quran: And from among His signs are the night and the day, and the sun and the moon. Prostrate yourselves not to the sun nor to the moon, but prostrate yourselves to ALLAH Who created them, if you (really) worship Him.
Surah Fussilat (41), verse 37