Matthew 19:10

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

1 Corinthians 7:1-2

Now as to the question you writ to me about; "whether it is best for a man not to marry?"

1 Corinthians 7:8

As to the unmarried and widows, I say, it is best for them to continue so, as I do.

1 Corinthians 7:26-28

I think therefore it is best, considering the present distress, I say, it is best, for a single person to continue so still.

1 Corinthians 7:32-35

the unmarried is religiously concerned, how he may please the Lord:

1 Corinthians 7:39-40

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.

1 Timothy 4:3

interdicting marriage; and the use of animal food; which God created for the repast of the faithful, who embrace the truth with thankfulness.

1 Timothy 5:11-15

as for young widows, don't admit them: for being impatient of religious restraint, they will be marry'd:

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 as to the question you writ to me about; "whether it is best for a man not to marry?"
1 Timothy 4:3
interdicting marriage; and the use of animal food; which God created for the repast of the faithful, who embrace the truth with thankfulness.
1 Timothy 5:11
as for young widows, don't admit them: for being impatient of religious restraint, they will be marry'd: