When facing a question like this, you may find a group of people who try to justify that Islam is not a religion of peace. They usually refer to terrorist attacks by pseudo-Muslims and conclude that Islam is not a peaceful religion. Peace in Islam is a value and an ultimate goal of life; may it be personal, social or worldwide.

But let’s see what is Islam’s viewpoint about war and if it approves terrorism.

What Do We Mean by Peace in Islam?

Before discussing the main topic of this article, we have to understand what peace in Islam means. According to Merriam Webster dictionary, “peace is a state of tranquility or quiet such as:

Freedom from Civil Disturbance
A state of security or order within a community provided for by law or custom.
Freedom from disquieting or oppressive thoughts or emotions 
Harmony in personal relations.” [1]

Therefore, there are two types of peace defined above; social and individual. Islam not only talks about individual peace, but also all of its rules are based on logic to shape a peaceful society. In this article, we would focus on social aspects of peace in Islam, either within one country or on what goes on between different countries.

Peace in Islam

Allah emphasizes in the Quran that Prophet Muhammad (PBUH&HP) is a mercy towards all human beings: “We did not send you but as a mercy to all the nations” (21: 107). It can be understood from this verse that a worldwide mercy, peace, and tranquility is the goal of sending Prophet Muhammad (PBUH) with the religion of Islam.

Imam Ali (AS) in his letter to Malik al-Ashtar (his appointed commander in another country) wrote: “Develop in your heart the feeling of love for your people and let it be the source of kindliness and blessing to them. Do not behave with them like a barbarian, and do not appropriate to yourself that which belongs to them. Remember that the citizens of the state are of two categories. They are either your brethren in religion or your brethren in kind. They are subject to infirmities and liable to commit mistakes.”  [2]

He specifically notes that we should be tolerant of people who have no bad deeds against Muslims and the religion of Islam.

Are Muslims Peaceful towards Everyone?

In social relations The Quran defines Muslims as moderate people; “Muhammad, the Apostle of Allah, and those who are with him are hard against the faithless and merciful amongst themselves. “ (48:29)

By referring to the above verse and by going through its interpretations we find out that “Muslims should be harsh on infidels. Who are these infidels? Muslims should not be harsh on anyone who does not believe in Islam. They should behave kindly towards those who are not opposed to them, who do not plot against them, and who do not seek to wipe out their nations - even if they follow other faiths.” While at the same time “Muslims should be harsh on those who fight against Islam and their identity, nationality, country, independence, honor, dignity, traditions, culture, and values.” [3] Therefore, it is completely rational for Muslims to defend themselves while their values are being attacked, and it has no contradiction with their peaceful nature.

Does Islam Allow Terrorist Attacks?

In recent years we have seen different terrorist groups such as Taliban, Al-Qaida or ISIS, who under the name of Islam, have committed terrorist attacks in different countries. They refer to verses of the Quran that are about the holy struggle (Jihad) and use those verses as a permission for their terrorist acts.

However, their interpretations of the verses of the holy struggle (Jihad) are not correct. The fact is that war is prohibited in Islam, and Muslims are not allowed to start a war against other countries for the sake of conquest or even for spreading the religion of Islam. Jihad is allowed for Muslims only if:

They are attacked by other countries, and their lives and properties are at risk.
If other Muslim territories are under attack by oppressive governments.
If other powers attack Muslim territories to annihilate Muslims or their religion.

“In the holy struggle (Jihad), violating or infringing on others' rights is not allowed. Killing other people under baseless pretexts is not part of the holy struggle (jihad). Neither is killing those who are not Muslims. Such acts are not allowed in the holy struggle (Jihad). Not all those who believe in religions other than Islam should be treated with harshness. Rather, only those who are opposed to Islam, your independence and territorial integrity, and Islamic culture, identity, and values should be treated with harshness. If carried out under these conditions, the holy struggle (Jihad) is considered as a divine order and will bring about glory to nations.” [4]

It is only under these conditions that Muslims are allowed to fight against the oppressors. And even when they are allowed to defend themselves and enter the war, they have to make sure to follow the rules of war. They are not allowed to kill the children or elderly of the infidels, or to poison the cities of the infidels. [5]

They have to tolerate the refugees, and if they betray them, they will face punishment [6]. Also, they should observe the rights of the captives of war [7]:

“Allah does not forbid you from dealing with kindness and justice with those [polytheists] who did not make war against you on account of religion and did not expel you from your homes. Indeed Allah loves the just. Allah forbids you only regarding those who made war against you on account of religion and expelled you from your homes and supported [the polytheists of Makkah] in your expulsion, that you make friends with them, and whoever makes friends with them—it is they who are the wrongdoers.” (60: 8-9)

Islam Is a Peaceful Religion, not a Passive One

In conclusion, Islam is a religion of peace for Muslim people and peaceful people. It is not a passive religion to sit and watch all the cruel things that are happening in the world and smile at it. Islam is the life map for those who wish to reach human perfection which is only achieved by obeying all of its rulings. No matter you call it Islam or something else, but every sane human being, by studying The Quran and searching about Islam, will understand that Islamic rules have been designed to make the society a safe place for human growth.

References:

1. peace
2. Malik Ashtar richest treasure
3. view of Jihad
4. ibid
5. Mafatih al-hayat, p. 318
6. Mafatih al-hayat, pp. 419- 20
7. Mafatih al-hayat, p. 423

1.  Planting Trees

Each fruit of the tree you have planted will be appreciated by a reward from Allah. 
Kanz al-Amaal, vol.12, p.341.

2.  Learning during Youth

What is learned during youth, like an engraving on a stone, will never be forgotten. 
Bihar al-Anwar, vol. 1, p. 222.

3. Mothers

Heaven lies beneath the feet of mothers. 

Mizan al-Hikmah, hadith no. 22691.

4. Respecting The Elderly

Respecting a Muslim elderly is like showing respect to Allah.
Usul al-Kafi, vol.2, p.165.

5. The Sources of  Mercy

The elderly are the sources of mercy and divine blessing.
Nahj al-fasaha, p.222.

6. The Most Generous according to Prophet Muhammad (PBUH&HP)

The most generous among you is the one who spreads what he has learned among people.
Mizan al-Hikmah, hadith no. 13825.

7. The Faithful  

The faithful are tied in kindness and affection together like members of a body, one’s pain and hardship affect the others. 
Bihar al-Anwar, vol.58, p.150

8.  Marriage 

The one who gets married has completed half of his/her religion. 

Kanz al-Amaal, hadith no.44403.

9. The Mission of Prophet Muhammad (PBUH&HP)

Indeed, I have been sent to revive the virtues and good morals.
Bihar al-Anwar, vol.16, p.286.

10.  Playing during Childhood

Playfulness during childhood will elevate one in wisdom in his/her adulthood.
Nahj al-Fasaha, p.564, Hadith no. 1940.

11.  The Closest Ones

The kindest, most amiable, generous, patient, and just among you is the closest to me in manner.   
Usul al-Kafi, vol.2, p.240-241.

12. Treating Children 

Be childlike with children.                                                                                                                                                                                                                                

Man la Yahduruhu al-faqih, vol.3, p.483.

13.  Keep Your Promises to Children 

Love children and be kind to them and keep your promises to them since they only know you as their providers.
Usul al-Kafi, vol.6, p.49.

14. The One Who Wins Allah's Praise  

Allah’s love and praise be upon the one who helps his/her children by doing good to them, caring for, and educating them. 
Mustadrak al-Wasaiil, vol.15, p.169.

15. Greeting Children, Prophet Muhammad (PBUH&HP)'s Tradition

There are five activities that I won’t leave off till I’m alive so that they would become part of my tradition. [One of them] is greeting children.
Makarem al-Akhlaq, vol.1, p.251.  

16. Fathers   

Being like your father is one of the best blessings of Allah to you.
Bihar al-Anwar, vol.71, p.84.

17. Looking Kindly at Your Parents   

The kind look of a child to his/her parents is as praying in Allah’s regard. 
Tuhaf al-Uqul, p.46.

18. Treating Your Family 

The best among you is the one who treats his family best, and I am better than all of you for my family.
Nahj-al fesaha, p.472, Hadith no. 1520.

19. The Desired Family    

Whenever Allah desires the best for a family, He raises their awareness about the religion. The younger ones respect the elders, they observe moderation in their expenses, and they would know about their faults to make them right. 
Nahj-al Fasaha, p.181, Hadith no. 147

20. Delighting Your Parents  

Whoever delights his/her parents, has delighted Allah and the one who displeases them has displeased Allah.
Ali ibn Abd-al-Malik al-Hindi, Kanz al-Ummal, vol.16, p.470.

21.  Imam Ali (AS)

Whomever I am his/her leader (Mawla), then Ali is his/her leader (Mawla). 

Musnad Ahmad ibn Hanbal, vol.4, p.370. 

22. Women's Status in Allah's Regard

Women are held dearer in Allah’s regard than men, and Allah will highly reward any man who brings joy to his Mahram women.  
Usul al-Kafi, vol.6, p.7.

23. Martyrdom of Imam Hussain (AS)

Martyrdom of Imam Hussain (AS) has ignited the hearts of believers with a pain that will never be subsided.
Jami al-Ahadith al-Shia, vol 12., p.556.

24. A Good Friend 

When Allah wants to pour His blessings upon you, He endows you with a Good Friend. 
Nahj al-Fasaha, p.776. 

25. Allah's Favorite    

When Allah chooses to favor someone, He makes him the source of satisfying other people's needs. 

26. Lady Fatimah (AS)  

Fatima is of my flesh, who is the light of my eyes and the warmth of my heart.
al-Shaykh al-Saduq, Al-Amali, p.486.

27. Humanity    

Loving Humanity is second only to having faith in Allah as one of the best deeds in Islam. 
Nahj al-Fasaha, p.74,  Hadith no. 387.

28.  An Act of Charity

If a Muslim plants a tree or any plant and a human, bird, or any other animals use it, Allah counts it as an act of charity.” 
Mustadrak al-Wasaiil, vol.13, p.460.

29. Lying      

Lying would negatively influence your livelihood.
Nahj al-Fasaha, p.373, Hadith no. 1087.

30. The Most Honest, Steadfast and Kindest   

On the Day of Judgment, those who were most honest in their words, steadfast in their promises and kindest in their manners, will be the closest ones to me.
Al-Shaykh al-Tusi, Al-Amali, p.229.

31. The Lawful (Halal) Earning

Praying has seventy parts, the most important and biggest of which is lawful (Halal) earning. 
Mustadrak al-Wasaiil, vol.13, p.12.

32. Performing Prayers

The most praised deeds in Allah’s regard is performing prayers (Salat) on their due time.
Kanz al-Amal, vol. 7, Hadith 18897.

33. A Desired Companion

The most desired companion is like a perfumer; his/her perfume would reach you, even if he/she didn't give you anything.

Kanz al-Amal, vol.9, Hadith 24676.

34. Eating Less  

Eating less results in a healthier body and a more tender heart while overeating makes one sick and hard-hearted. 
Mizan al-Hikmah, Hadith 579.

35. "I Love You"  

The words of “I love you,” said by a man to his wife, will forever be engraved upon the woman’s heart. 
Wassail al-Shia, vol. 14, p.10.

36.  Causing Harm   

Causing harm to yourself and others is forbidden in Islam.
Usul al-Kafi, vol.5, p.292.

37. Security and Health 

There are two blessings to which no one gives thanks: security and health. 
Khisal, p.34. 

38. The Most Grateful Person    

The most grateful person is the one who thanks people most.

Nahj al-Fasaha, Hadith no. 312.  

39. Saving someone's Reputation   

Whoever saves a believer’s reputation will surely be rewarded by heaven. 
Al-Shaykh al-Saduq, Thawab al-a'mal wa 'iqab al-Amal, p.145.

40. Ignorance and Wisdom  

No lack is more irritating than ignorance, and no wealth is more advantageous than wisdom.  
Ususl al-Kafi, vol.1, p.25-26, Hadith 25