1 Corinthians 7:39

The wife is bound as long as her husband lives: but if her husbnd be dead, she is at liberty to be married, if she pleases; provided it be to a christian.

Romans 7:2-3

now a married woman is bound by the law to her living husband: but if her husband dieth, she is released from the marriage-contract.

1 Corinthians 7:15

but if the infidel will separate, let him go: a brother or a sister is not inslaved in such cases. but God has called us to peace; for how do you know,

1 Corinthians 7:10

as to the married, I enjoin this rule, not as from my self, but from the Lord, that a woman should not leave her husband:

2 Corinthians 6:14-16

Are you not become associates with infidels? but what affinity is there between virtue and vice? and what communication has light with darkness?

Treasury of Scripture Knowledge

Summary

The wife is bound by the law as long as her husband liveth; but if her husband be dead, she is at liberty to be married to whom she will; only in the Lord.

General references

Bible References

Wife

1 Corinthians 7:10
as to the married, I enjoin this rule, not as from my self, but from the Lord, that a woman should not leave her husband:
Romans 7:2
now a married woman is bound by the law to her living husband: but if her husband dieth, she is released from the marriage-contract.

Only

2 Corinthians 6:14
Are you not become associates with infidels? but what affinity is there between virtue and vice? and what communication has light with darkness?

General references

Matthew 19:10
thereupon his disciples said, if the case between man and wife be such, it is best not to marry.