Matthew 19:12
For there are eunuchs, who were born so from their mother's womb, and there are eunuchs, who were made eunuchs by men; and there are eunuchs, who have made themselves eunuchs for the kingdom of heaven's sake. He that is able to receive it, let him receive it.
1 Corinthians 7:32-38
The unmarried man careth for the things of the Lord, how he may please the Lord.
1 Corinthians 9:5
Have we not power to lead about with us a sister, a wife, as well as the other apostles, and the brethren of the Lord, and Peter?
1 Corinthians 9:15
But I have used none of these things; nor have I written thus, that it might be done so unto me: for it were better for me to die, than that any man should make this my glorying void.