Matthew 19:12

There are men who from their birth have been disabled from marriage, others who have been so disabled by men, and others who have disabled themselves for the sake of the Kingdom of the Heavens. He who is able to receive this, let him receive it."

1 Corinthians 7:32-38

And I would have you free from worldly anxiety. An unmarried man concerns himself with the Lord's business--how he shall please the Lord;

1 Corinthians 9:5

Have we not a right to take with us on our journeys a Christian sister as our wife, as the rest of the Apostles do--and the Lord's brothers and Peter?

1 Corinthians 9:15

But I, for my part, have not used, and do not use, my full rights in any of these things. Nor do I now write with that object so far as I myself am concerned, for I would rather die than have anybody make this boast of mine an empty one.

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 worldly anxiety. An unmarried man concerns himself with the Lord's business--how he shall please the Lord;
1 Corinthians 9:5
Have we not a right to take with us on our journeys a Christian sister as our wife, as the rest of the Apostles do--and the Lord's brothers and Peter?