Matthew 19:12

For there are eunuchs, who were so born from their mothers womb; and there are eunuchs, who were made eunuchs by men; and there are eunuchs, who made themselves eunuchs for the sake of the kingdom of heaven. He that is able to receive it, let him receive it.

1 Corinthians 7:32-38

and I would have you free from anxious cares. He that is unmarried careth about the things of the Lord, how he may please the Lord;

1 Corinthians 9:5

Have we not a right to carry about with us a sister as a wife, as well as the other apostles, and the brothers of the Lord, and Cephas?

1 Corinthians 9:15

But I have used no right of this kind; nor have I written thus that anything of this kind should be done for me; for it were better for me to die, than that any one should take from me what I glory in.

Treasury of Scripture Knowledge

Summary

For there are some eunuchs, which were so born from their mother's womb: and there are some eunuchs, which were made eunuchs of men: and there be eunuchs, which have made themselves eunuchs for the kingdom of heaven's sake. He that is able to receive it, let him receive it.

Bible References

Which have

1 Corinthians 7:32
and I would have you free from anxious cares. He that is unmarried careth about the things of the Lord, how he may please the Lord;
1 Corinthians 9:5
Have we not a right to carry about with us a sister as a wife, as well as the other apostles, and the brothers of the Lord, and Cephas?