Quran verses about peace, of the heart and between people

ٱلَّذِينَ ءَامَنُوا۟ وَتَطْمَئِنُّ قُلُوبُهُم بِذِكْرِ ٱللَّهِ ۗ أَلَا بِذِكْرِ ٱللَّهِ تَطْمَئِنُّ ٱلْقُلُوبُ ﴿٢٨﴾

Allazeena aamanoo wa tatma'innu quloobuhum bizikril laah; alaa bizikril laahi tatma'innul quloob

Those who have believed and whose hearts are assured by the remembrance of Allah. Unquestionably, by the remembrance of Allah hearts are assured."

Hearts find rest in the remembrance of Allah. Peace of the heart starts here.

يَٰٓأَيَّتُهَا ٱلنَّفْسُ ٱلْمُطْمَئِنَّةُ ﴿٢٧﴾ ٱرْجِعِىٓ إِلَىٰ رَبِّكِ رَاضِيَةًۭ مَّرْضِيَّةًۭ ﴿٢٨﴾ فَٱدْخُلِى فِى عِبَٰدِى ﴿٢٩﴾ وَٱدْخُلِى جَنَّتِى ﴿٣٠﴾

Yaaa ayyatuhan nafsul mutma'innah Irji'eee ilaa Rabbiki raadiyatam mardiyyah Fadkhulee fee 'ibaadee Wadkhulee jannatee

²⁷ [To the righteous it will be said], "O reassured soul, ²⁸ Return to your Lord, well-pleased and pleasing [to Him], ²⁹ And enter among My [righteous] servants ³⁰ And enter My Paradise."

What the believing soul is told, at death and on the Last Day, as Ibn Kathir explains: O soul at rest, return to your Lord, pleased and pleasing, and enter My Paradise.

هُوَ ٱلَّذِىٓ أَنزَلَ ٱلسَّكِينَةَ فِى قُلُوبِ ٱلْمُؤْمِنِينَ لِيَزْدَادُوٓا۟ إِيمَٰنًۭا مَّعَ إِيمَٰنِهِمْ ۗ وَلِلَّهِ جُنُودُ ٱلسَّمَٰوَٰتِ وَٱلْأَرْضِ ۚ وَكَانَ ٱللَّهُ عَلِيمًا حَكِيمًۭا ﴿٤﴾

Huwal lazeee anzalas sakeenata fee quloobil mu'mineena liyazdaadooo eemaanamma'a eemaanihim; wa lillaahi junoodus samawaati wal ard; wa kaanal laahu 'Aleeman Hakeemaa

It is He who sent down tranquillity into the hearts of the believers that they would increase in faith along with their [present] faith. And to Allah belong the soldiers of the heavens and the earth, and ever is Allah Knowing and Wise.

Allah sent down sakinah, tranquillity, into the believers' hearts at Hudaybiyah, when the terms of the treaty were hard for them to accept.

وَٱللَّهُ يَدْعُوٓا۟ إِلَىٰ دَارِ ٱلسَّلَٰمِ وَيَهْدِى مَن يَشَآءُ إِلَىٰ صِرَٰطٍۢ مُّسْتَقِيمٍۢ ﴿٢٥﴾

Wallaahu yad'ooo ilaa daaris salaami wa yahdee mai yashaaa'u ilaa Siraatim Mustaqeem

And Allah invites to the Home of Peace and guides whom He wills to a straight path

Allah invites to Dar as-Salam, the Home of Peace, one of the names of Paradise.

سَلَٰمٌۭ قَوْلًۭا مِّن رَّبٍّۢ رَّحِيمٍۢ ﴿٥٨﴾

Salaamun qawlam mir Rabbir Raheem

[And] "Peace," a word from a Merciful Lord.

The greeting the people of Paradise receive: peace, a word from a Merciful Lord.

لَا يَسْمَعُونَ فِيهَا لَغْوًۭا وَلَا تَأْثِيمًا ﴿٢٥﴾ إِلَّا قِيلًۭا سَلَٰمًۭا سَلَٰمًۭا ﴿٢٦﴾

Laa yasma'oona feehaa laghwanw wa laa taaseemaa Illaa qeelan salaaman salaamaa

²⁵ They will not hear therein ill speech or commission of sin - ²⁶ Only a saying: "Peace, peace."

In Paradise there is no idle or sinful talk, only the words: peace, peace.

يَهْدِى بِهِ ٱللَّهُ مَنِ ٱتَّبَعَ رِضْوَٰنَهُۥ سُبُلَ ٱلسَّلَٰمِ وَيُخْرِجُهُم مِّنَ ٱلظُّلُمَٰتِ إِلَى ٱلنُّورِ بِإِذْنِهِۦ وَيَهْدِيهِمْ إِلَىٰ صِرَٰطٍۢ مُّسْتَقِيمٍۢ ﴿١٦﴾

Yahdee bihil laahu manit taba'a ridwaanahoo subulas salaami wa yukhrijuhum minaz zulumaati ilan noori bi iznihee wa yahdeehim ilaa Siraatim Mustaqeem

By which Allah guides those who pursue His pleasure to the ways of peace and brings them out from darknesses into the light, by His permission, and guides them to a straight path.

The Quran, the light and clear Book of the ayah before, guides those who seek Allah's pleasure to the ways of peace, out of darkness into light.

هُوَ ٱللَّهُ ٱلَّذِى لَآ إِلَٰهَ إِلَّا هُوَ ٱلْمَلِكُ ٱلْقُدُّوسُ ٱلسَّلَٰمُ ٱلْمُؤْمِنُ ٱلْمُهَيْمِنُ ٱلْعَزِيزُ ٱلْجَبَّارُ ٱلْمُتَكَبِّرُ ۚ سُبْحَٰنَ ٱللَّهِ عَمَّا يُشْرِكُونَ ﴿٢٣﴾

Huwal-laahul-lazee laaa Ilaaha illaa Huwal-Malikul Quddoosus-Salaamul Muminul Muhaiminul-'aAzeezul Jabbaarul-Mutakabbir; Subhaanal laahi 'Ammaa yushrikoon

He is Allah, other than whom there is no deity, the Sovereign, the Pure, the Perfection, the Bestower of Faith, the Overseer, the Exalted in Might, the Compeller, the Superior. Exalted is Allah above whatever they associate with Him.

As-Salam among the names of Allah: the One free of every flaw, from whom all peace comes.

۞ وَإِن جَنَحُوا۟ لِلسَّلْمِ فَٱجْنَحْ لَهَا وَتَوَكَّلْ عَلَى ٱللَّهِ ۚ إِنَّهُۥ هُوَ ٱلسَّمِيعُ ٱلْعَلِيمُ ﴿٦١﴾

Wa in janahoo lissalmi fajnah lahaa wa tawakkal 'alal laah; innahoo Huwas Samee'ul 'Aleem

And if they incline to peace, then incline to it [also] and rely upon Allah. Indeed, it is He who is the Hearing, the Knowing.

If the enemy inclines to peace, incline to it too and rely on Allah. Revealed about treaties in time of war.

وَإِن طَآئِفَتَانِ مِنَ ٱلْمُؤْمِنِينَ ٱقْتَتَلُوا۟ فَأَصْلِحُوا۟ بَيْنَهُمَا ۖ فَإِنۢ بَغَتْ إِحْدَىٰهُمَا عَلَى ٱلْأُخْرَىٰ فَقَٰتِلُوا۟ ٱلَّتِى تَبْغِى حَتَّىٰ تَفِىٓءَ إِلَىٰٓ أَمْرِ ٱللَّهِ ۚ فَإِن فَآءَتْ فَأَصْلِحُوا۟ بَيْنَهُمَا بِٱلْعَدْلِ وَأَقْسِطُوٓا۟ ۖ إِنَّ ٱللَّهَ يُحِبُّ ٱلْمُقْسِطِينَ ﴿٩﴾ إِنَّمَا ٱلْمُؤْمِنُونَ إِخْوَةٌۭ فَأَصْلِحُوا۟ بَيْنَ أَخَوَيْكُمْ ۚ وَٱتَّقُوا۟ ٱللَّهَ لَعَلَّكُمْ تُرْحَمُونَ ﴿١٠﴾

Wa in taaa'ifataani minal mu'mineenaq tataloo faaslihoo bainahumaa fa-im baghat ih daahumaa 'alal ukhraa faqaatilul latee tabhee hattaa tafeee'a ilaaa amril laah; fa-in faaa't fa aslihoo bainahumaa bil'adli wa aqsitoo innal laaha yuhibbul muqsiteen Innamal mu'minoona ikhwatun fa aslihoo baina akhawaykum wattaqul laaha la'allakum tuhamoon

⁹ And if two factions among the believers should fight, then make settlement between the two. But if one of them oppresses the other, then fight against the one that oppresses until it returns to the ordinance of Allah. And if it returns, then make settlement between them in justice and act justly. Indeed, Allah loves those who act justly. ¹⁰ The believers are but brothers, so make settlement between your brothers. And fear Allah that you may receive mercy.

If two groups of believers fight, make peace between them with justice. The believers are brothers, so reconcile your brothers.

وَعِبَادُ ٱلرَّحْمَٰنِ ٱلَّذِينَ يَمْشُونَ عَلَى ٱلْأَرْضِ هَوْنًۭا وَإِذَا خَاطَبَهُمُ ٱلْجَٰهِلُونَ قَالُوا۟ سَلَٰمًۭا ﴿٦٣﴾

Wa 'ibaadur Rahmaanil lazeena yamshoona 'alal ardi hawnanw wa izaa khaata bahumul jaahiloona qaaloo salaamaa

And the servants of the Most Merciful are those who walk upon the earth easily, and when the ignorant address them [harshly], they say [words of] peace,

The servants of the Most Merciful walk gently, and when the ignorant address them harshly, they answer with peace.

ٱلَّذِينَ ءَامَنُوا۟ وَلَمْ يَلْبِسُوٓا۟ إِيمَٰنَهُم بِظُلْمٍ أُو۟لَٰٓئِكَ لَهُمُ ٱلْأَمْنُ وَهُم مُّهْتَدُونَ ﴿٨٢﴾

Allazeena aamanoo wa lam yalbisooo eemaanahum bizulmin ulaaa'ika lahumul amnu wa hum muhtadoon

They who believe and do not mix their belief with injustice - those will have security, and they are [rightly] guided.

Those who believe and do not mix their faith with wrongdoing have security. The Prophet ﷺ explained the wrongdoing here as shirk (Sahih al-Bukhari, from Ibn Masud).