Bible Verses About Eunuch: Those who voluntarily became (continent, probably) for the kingdom of heaven's sake

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.