The Holy Prophet [s] said: "The sleep of a married person is better with Allah than an unmarried one who fasts during the day and keeps vigil at night, establishing prayers."
The Holy Prophet [s] said: "(Mostly) the doers of good of my Ummah are the married ones, while the vicious of them are unmarried."
Imam Sadiq [a] said: "Once a man came to my father. He [a] asked him whether he had a wife and he answered he had not. Then, my father said that he would not like to possess the world and what it includes but sleep one night without having a wife. Then he [a] added that the two rak'at prayer established by a married man is worthier than that an unmarried man keeps vigil at night praying and fasts during the day. After that, he [a] gave him seven golden coins (Dinar) and told him to marry with that."
Encouragement for Marriage
The Holy Prophet [s] said: "The person who marries gains half of his Faith, then he must fear of Allah for the next remaining half."
The Holy Prophet [s] said: "Most of the people of Hell will be the unmarried (irrespective of male or female)."
The Holy Prophet [s] said: "The most depraved of your dead are the unmarried."
The Holy Prophet [s] said: "He who wishes to be cleaned and purified when he meets Allah should marry and have a spouse."
The Holy Prophet [s] said: "Marry, otherwise you will be (counted) among the Christian monks or the brothers of satan."
Marriage Is the Key to Divine Mercy and a Good Temper
The Holy Prophet [s] said: "The doors of Heaven to mercy will be opened in four situations: when it rains, when a child looks kindly at his parent's face, when the door of the Ka'bah is opened, and when marriage (occurs)."
The Holy Prophet [s] said: "Join your children in marriage (boys or girls) because, thereby, Allah renders their tempers good, adds to their sustenance, and increases their sense of honour."
The Holy Prophet [s] said: "Get married and give your daughters in marriage, because it is from the good fortune of any Muslim man that he gives his (matured) daughter (or sister) in marriage."
The Holy Prophet [s] said: "There is nothing to Allah, Almighty and Glorious, more beloved than the house which is developed in Islam by marriage; and there is nothing to Allah, Almighty and Glorious, more abhorent than the house which is ruined in Islam by separation, viz, divorce."
Marriage with Regard to Faith and Honesty
The Holy Prophet [s] with no regard to the class of the one's generation, emphasized and said: "When someone refers to you for marriage and you approve contently, his manner and his religion, then unite with him in wedlock. If you do not do that, you have caused a grand pest and decadence on the earth."
Imam al-Jawad [a] wrote in a letter: "Whoever solicits you in marriage and you are convinced of his religion and his honesty, then do unite with him in wedlock."
Man La Yahdhuruhul-Faqih, vol. 3, p. 393; AI-Tahthib, vol. 7, p. 394
Once a man told Imam Husayn [a] that he had a daughter and asked whom he [a] would advise him to give her to in marriage, and he said: "Give her in marriage to someone who (has Faith and) fears Allah, Almighty and Glorious, because he will love and respect her, and if he becomes angry with her, he will not hurt her."
The Holy Prophet [s] said: "He who gives his daughter in marriage to an ungodly man has indeed broken off her connection with her kindred."