بِالْبَيِّنَاتِwith clear signs,meaning proof and evidence, andوَالزُّبُرِand Books (Zubur),meaning Scriptures.Ibn Abbas, Mujahid, Ad-Dahhak and others said:Zubur is the plural of Zabur, and the Arabs say, Zaburtul-Kitab meaning, "I wrote the book."Allah says:وَكُلُّ شَىْءٍ فَعَلُوهُ فِى الزُّبُرِAnd everything they have done is noted in (their) Records (of deeds (Zubur). (54:52)وَلَقَدْ كَتَبْنَا فِى الزَّبُورِ مِن بَعْدِ الذِّكْرِ أَنَّ الاٌّرْضَ يَرِثُهَا عِبَادِىَ الصَّـلِحُونَ And indeed We have written in Az-Zabur after the Dhikr that My righteous servant shall inherit the land (i.e. the land of Paradise). (21:105)Then Allah says:وَأَنزَلْنَا إِلَيْكَ الذِّكْرَAnd We have also revealed the Dhikr to you,meaning the Qur'an,لِتُبَيِّنَ لِلنَّاسِ مَا نُزِّلَ إِلَيْهِمْso that you may clearly explain to men what was revealed to them,meaning, sent down from their Lord, because you know the meaning of what Allah has revealed to you, and because of your understanding and adherence to it, and because We know that you are the best of creation and the leader of the Children of Adam. So that you may explain in detail what has been mentioned in brief, and explain what is not clear.وَلَعَلَّهُمْ يَتَفَكَّرُونَso that perhaps they may reflect.meaning, they should examine themselves and be guided by it, so that they may attain the victory of salvation in this world and the next