Matthew 19:10

His disciples said unto him, If the case of a man with his wife be thus, it is not expedient to marry.

1 Corinthians 7:1-2

NOW with regard to those things concerning which ye have written unto me, it were good for a man not to touch a woman.

1 Corinthians 7:8

I say then to the unmarried and the widows, that it is becoming them if they abide as I am.

1 Corinthians 7:26-28

I think then that this is becoming, considering our present straits, that it is proper for a man to be thus.

1 Corinthians 7:32-35

But I would have you to be free from anxiety. He who is unmarried is anxious for the things of the Lord, how he shall please the Lord:

1 Corinthians 7:39-40

The wife is bound by the law as long as her husband liveth: but if her husband be dead, she is free to be married to whomsoever she will, but only in the Lord.

1 Timothy 4:3

prohibiting marriage, and enjoining abstinence from particular meats, which God created to be received with thanksgiving by the faithful, and those who acknowledge the truth.

1 Timothy 5:11-15

But the younger widows reject: for when they give themselves to wantonness contrary to Christ, they will 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 with regard to those things concerning which ye have written unto me, it were good for a man not to touch a woman.
1 Timothy 4:3
prohibiting marriage, and enjoining abstinence from particular meats, which God created to be received with thanksgiving by the faithful, and those who acknowledge the truth.
1 Timothy 5:11
But the younger widows reject: for when they give themselves to wantonness contrary to Christ, they will marry;