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Surah 8. Al-Anfal
Ayah 61 - 64
٦١. وَإِن جَنَحُوا۟ لِلسَّلْمِ فَٱجْنَحْ لَهَا وَتَوَكَّلْ عَلَى ٱللَّهِ ۚ إِنَّهُۥ هُوَ ٱلسَّمِيعُ ٱلْعَلِيمُ
٦٢. وَإِن يُرِيدُوٓا۟ أَن يَخْدَعُوكَ فَإِنَّ حَسْبَكَ ٱللَّهُ ۚ هُوَ ٱلَّذِىٓ أَيَّدَكَ بِنَصْرِهِۦ وَبِٱلْمُؤْمِنِينَ
٦٣. وَأَلَّفَ بَيْنَ قُلُوبِهِمْ ۚ لَوْ أَنفَقْتَ مَا فِى ٱلْأَرْضِ جَمِيعًا مَّآ أَلَّفْتَ بَيْنَ قُلُوبِهِمْ وَلَـٰكِنَّ ٱللَّهَ أَلَّفَ بَيْنَهُمْ ۚ إِنَّهُۥ عَزِيزٌ حَكِيمٌ
٦٤. يَـٰٓأَيُّهَا ٱلنَّبِىُّ حَسْبُكَ ٱللَّهُ وَمَنِ ٱتَّبَعَكَ مِنَ ٱلْمُؤْمِنِينَ
[61-64] And, O Prophet, if the enemies incline to peace, you should also incline to it and put your trust in Allah: indeed He is All-Hearing, All-Knowing. And if they intend to deceive you, Allah is sufficient for you.45 It is He Who strengthened you with His succor, and by means of the Believers. And it is He Who united the hearts of the Believers; even if you had spent all the riches of the earth, you could not have united their hearts by yourself, but it is Allah Who united their hearts;46 indeed He is All-Powerful, All-Wise. O Prophet! Allah is sufficient for you and for the Believers who follow you.
45That is, "Your relations with other nations should be based on your trust in God for `He is sufficient for you'. Therefore you should boldly face the enemy both in war and in peace. When the enemy desires to have a talk with you for peace, you should be willing and ready to negotiate with the other party without any hesitation. Do not reject the offer on the pica that the other party is not sincere and has treacherous intentions. for no one can have correct knowledge of the intentions of others: If the other party is sincere in its offer, then it will be wrong to reject it and continue the bloodshed. And if the enemy has treacherous intentions, then Allah will protect you from them because of your courage and moral superiority. In that case, fight bravely with the treacherous enemy so as to teach them such a lesson as may prove a deterrent".
46This refers to the blessing of Islam which led to the union of the hearts of the different Arab clans and integrated them into a strong community, although before this there had been permanent enmities between them for centuries. This favor of God had been very conspicuous in the case of Aus and Khazraj clans of Al-Madinah. These two clans had been mortal enemies, and the bloody war of Bu'ath had taken place between them only two years before this. It was really a miracle that such enmities had been changed into such a union as was witnessed by the Islamic Community during the time of the Holy Prophet. It was quite obvious that this thing could not have been accomplished through any human powers or resources, for whatever had been accomplished, it had been accomplished by His grace and whatever will be accomplished, it will be accomplished by His grace.