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. Matthew 19:12
He that is wounded in the stones, or hath his privy member cut off, shall not enter into the congregation of the LORD. Deuteronomy 23:1
