Matthew 19:12

For there are eunuchs, who have been so born from the womb of their mother. And there are eunuchs, who have been eunuchized by men: and there are eunuchs, who eunuchized themselves for the sake of the kingdom of the heavens. He who is able to receive it, let him receive it.

1 Corinthians 7:32-38

I wish you to be free from solicitude. The unmarried man cares for the things of the Lord, in order that he may please the Lord:

1 Corinthians 9:5

Have we not a right to lead about a sister as a wife, as the other apostles also, and the brothers of the Lord, and Cephas?

1 Corinthians 9:15

But I have used none of these things. But I have not written these things that it may be so in me: for it is good for me rather to die than that any one shall make void my boasting.

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
I wish you to be free from solicitude. The unmarried man cares for the things of the Lord, in order that he may please the Lord:
1 Corinthians 9:5
Have we not a right to lead about a sister as a wife, as the other apostles also, and the brothers of the Lord, and Cephas?