St. Paul: 1 Corinthians 7:7-38:
7 I wish that all were as I myself am. But each has his own special gift from God, one of one kind and one of another.
8 To the unmarried and the widows I say that it is well for them to remain single as I do.
9 But if they cannot exercise self-control, they should marry. For it is better to marry than to be aflame with passion . . .
20 Every one should remain in the state in which he was called . . . . .
27 Are you bound to a wife? Do not seek to be free. Are you free from a wife? Do not seek marriage.
28 But if you marry, you do not sin . . . Yet those who marry will have worldly troubles, and I would spare you that. . .
32 I want you to be free from anxieties. The unmarried man is anxious about the affairs of the Lord, how to please the Lord;
33 But the married man is anxious about worldly affairs, how to please his wife,
34 and his interests are divided. And the unmarried woman or girl is anxious about the affairs of the Lord, how to be holy in body and spirit; but the married woman is anxious about worldly affairs, how to please her husband.
35 I say this for your own benefit, not to lay any restraint upon you, but to promote good order and to secure your undivided devotion to the Lord . . .
38 So that he who marries his betrothed does well; and he who refrains from marriage will do better.