Matthew 19:10

The disciples say to Him, "If the case of the man is so with his wife, it is not expedient to marry."

1 Corinthians 7:1-2

Now concerning the things of which ye wrote: It is good for a man not to touch a woman;

1 Corinthians 7:8

Now I say to the unmarried and to the widows, it is good for them, if they remain even as I am.

1 Corinthians 7:26-28

I think, therefore, that this is good on account of the impending distress; namely, that it is good for a man to be thus.

1 Corinthians 7:32-35

But I wish you to be free from anxieties. The unmarried man is anxious for the things of the Lord, how he may please the Lord;

1 Corinthians 7:39-40

A wife is bound as long as her husband lives; but, if her husband fall asleep, she is at liberty to he married to whom she will: only in the Lord.

1 Timothy 4:3

forbidding to marry, and commanding to abstain from foods, which God created for reception with thanksgiving by those who believe and have full knowledge of the truth.

1 Timothy 5:11-15

But younger widows refuse; for, when they grow wanton against Christ, they wish to marry,

Treasury of Scripture Knowledge

Summary

His disciples say unto him, If the case of the man be so with his wife, it is not good to marry.

Bible References

General references

1 Corinthians 7:1
Now concerning the things of which ye wrote: It is good for a man not to touch a woman;
1 Timothy 4:3
forbidding to marry, and commanding to abstain from foods, which God created for reception with thanksgiving by those who believe and have full knowledge of the truth.
1 Timothy 5:11
But younger widows refuse; for, when they grow wanton against Christ, they wish to marry,