1 Corinthians 7:37-39

37 But the man who is firmly established in his heart and under no constraint, with control over his will and resolve in his heart not to marry the virgin, he will do well.

38 So then, he who marries the virgin does well, but he who does not marry her does even better.

39 A wife is bound to her husband as long as he lives. But if her husband dies, she is free to marry anyone she wishes, as long as he belongs to the Lord.