Matthew 19:12
For there are eunuchs that were born such from their mother's womb; and there are eunuchs that have been made eunuchs by men; and there are eunuchs that have made themselves eunuchs for the sake of the kingdom of heaven. Let him accept it that is able to accept it.
1 Corinthians 7:32-38
But I would have you to be without anxiety. The unmarried man is concerned about the things of the Lord, how he may please the Lord:
1 Corinthians 9:5
Have we not the right to lead about a sister wife, as the other apostles, and the brothers of the Lord, and Cephas?
1 Corinthians 9:15
But I have availed myself of none of these things; nor do I write these things that it should be so done to me. For it would be better for me to die, than that any one should make my boasting vain.