Matthew 19:12
For there are eunuchs from birth, who were born so from their mother; and there are eunuchs who are made eunuchs by men; and there are eunuchs who have made themselves eunuchs for the sake of the kingdom of heaven. He that is able to receive [this doctrine] let him receive it.
1 Corinthians 7:32-38
But I wish you to be without cares. The unmarried man cares for the things of the Lord, how he shall please the Lord;
1 Corinthians 9:5
Have we not a right to lead about a sister, a wife, as also the other apostles; and the brothers of the Lord, and Cephas?
1 Corinthians 9:15
But I have used none of these things, and I have not written these things that it should be so done to me; for I prefer to die, rather than that any one should make my boasting vain.