This is a sub-article of Islamic jurisprudence and etiquette

Etiquette

Etiquette is a code of behavior that delineates expectations for social behavior according to contemporary conventional norms within a society, social class, or group...

.

Adab, in the context of behavior, refers to prescribed Islamic etiquette

Etiquette

Etiquette is a code of behavior that delineates expectations for social behavior according to contemporary conventional norms within a society, social class, or group...

: "refinement, good manners, morals, decorum, decency, humaneness". While interpretation of the scope and particulars of Adab may vary among different cultures, common among these interpretations is regard for personal standing through the observation of certain codes of behavior. To exhibit Adab would be to show "proper discrimination of correct order, behavior, and taste."

Islam has rules of etiquette and an ethical code involving every aspect of life. Muslim

Muslim

A Muslim, also spelled Moslem, is an adherent of Islam, a monotheistic, Abrahamic religion based on the Quran, which Muslims consider the verbatim word of God as revealed to prophet Muhammad. "Muslim" is the Arabic term for "submitter" .Muslims believe that God is one and incomparable...

s refer to Adab as good manners

Manners

In sociology, manners are the unenforced standards of conduct which demonstrate that a person is proper, polite, and refined. They are like laws in that they codify or set a standard for human behavior, but they are unlike laws in that there is no formal system for punishing transgressions, the...

, courtesy

Courtesy

Courtesy comes from old french 'courteis' is gentle politeness and courtly manners. In the Middle Ages in Europe, the behaviour expected of the gentry was compiled in courtesy books...

, respect

Respect

Respect denotes both a positive feeling of esteem for a person or other entity , and also specific actions and conduct representative of that esteem. Respect can be a specific feeling of regard for the actual qualities of the one respected...

, and appropriateness, covering acts such as entering or exiting a washroom, posture when sitting, and cleansing oneself. According to Sahih Bukhari, Muhammad

Muhammad

Muhammad |ligature]] at U+FDF4 ;Arabic pronunciation varies regionally; the first vowel ranges from ~~; the second and the last vowel: ~~~. There are dialects which have no stress. In Egypt, it is pronounced not in religious contexts...

 refrained from bad language; neither a 'Fahish nor a Mutafahish. He used to say "The best amongst you are those who have the best manners and character."

Quran

• "See you not how Allâh sets forth a parable? - A goodly word as a goodly tree, whose root is firmly fixed, and its branches (reach) to the sky (i.e. very high)...... And the parable of an evil word is that of an evil tree uprooted from the surface of earth having no stability." Qur'an 14: 24, 25. Ibrahim Sura

• "Repel evil with that which is best: We are Well-acquainted with the things they say."—Koran 23:96.

• "And when they hear vain talk, they turn away therefrom and say: 'To us our deeds, and to you yours; peace be to you: we seek not the ignorant.'"—Qur'an 28:55.

• "Those who spend (freely), whether in prosperity, or in adversity; who restrain anger, and pardon (all) men; for Allah
  Allah
  Allah is a word for God used in the context of Islam. In Arabic, the word means simply "God". It is used primarily by Muslims and Bahá'ís, and often, albeit not exclusively, used by Arabic-speaking Eastern Catholic Christians, Maltese Roman Catholics, Eastern Orthodox Christians, Mizrahi Jews and...
  
  loves those who do good."—Qur'an 3:134.

• "When a (courteous) greeting is offered you, meet it with a greeting still more courteous, or (at least) of equal courtesy. Allah takes careful account of all things."—Qur'an 4:86.

Hadith or (sayings of Mohammad)

Sunni hadith:

Shi'a hadith: