Matthew 19:12

"For there are eunuchs who have been such from birth; others who have been made such by men; and others who have made themselves eunuchs for the sake of the kingdom of God. He who is able to receive this, let him receive it."

1 Corinthians 7:32-38

So I want you to be free from all anxieties. An unmarried man is anxious about the Lord's business, how he may please the Lord;

1 Corinthians 9:5

Have I no right to take a believing wife with me on my journey, as the rest of the apostles and the Lord's brothers and Peter do?

1 Corinthians 9:15

But for my part, I have never availed myself of any of these rights. I do not say this to bring it about in my own case. I would rather die than let any one make void this boast of mine.

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
So I want you to be free from all anxieties. An unmarried man is anxious about the Lord's business, how he may please the Lord;
1 Corinthians 9:5
Have I no right to take a believing wife with me on my journey, as the rest of the apostles and the Lord's brothers and Peter do?