Matthew 19:12

For some are born incapable of marriage, and some have been made so by men, and some have made themselves so for the sake of the kingdom of heaven. Let him accept it who can."

1 Corinthians 7:32-38

I want you to be free from worldly worries. An unmarried man is concerned about the affairs of the Lord.

1 Corinthians 9:5

It cannot be that we have no right to take a Christian wife about with us, can it, as well as the rest of the apostles and the Lord's brothers, and Cephas?

1 Corinthians 9:15

But I myself have never used any of these rights. And I am not writing this just to make it so in my case, for I had rather die than do that. No one shall rob me of this ground of 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 want you to be free from worldly worries. An unmarried man is concerned about the affairs of the Lord.
1 Corinthians 9:5
It cannot be that we have no right to take a Christian wife about with us, can it, as well as the rest of the apostles and the Lord's brothers, and Cephas?