I was listening to another lecture by Peter Kreeft yesterday in which he said he, as a Calvinist, took a course on Church history. The professor warned the class that they all needed to be able to give a defense when Catholics claimed that the early Church was Catholic and that Protestants broke off. He said the Catholic Church had gone astray and the Reformers restored the Church to her primitive roots ... you know the story... So Dr. Kreeft (not Dr. at the time of course) asked "so you mean to tell me that if I, as a Calvinist, used a time machine and went back to worship with the early Church I'd feel more at home than a Catholic would?" The professor said "yes". Dr. Kreeft thought, "Great. All I have to do is read the early Church fathers and see what they had to say". Of course he did read the fathers and now he's a Catholic. It's hard to see how some people can be so willingly self deceived.
At any rate, I say all this to lead up to the point of my post. Around 175 AD, Athenagoras gives us further evidence (though relatively insignificant in comparison to other more important issues) that the early Church was Catholic (in the modern sense of the word). Listen to this quote on marriage:
Therefore, having the hope of eternal life, we despise the things of this life, even to the pleasures of the soul, each of us reckoning her his wife whom he has married according to the laws laid down by us, and that only for the purpose of having children. For as the husbandman throwing the seed into the ground awaits the harvest, not sowing more upon it, so to us the procreation of children is the measure of our indulgence in appetite. Nay, you would find many among us, both men and women, growing old unmarried, in hope of living in closer communion with God.
First, marriage is principally for procreation - not personal fulfillment. If you're not married to a member of the opposite sex, then you should be married to the Church as a priest, monk or nun. Furthermore he praises celibacy as Christ & Paul did and as the early Church obviously did.
Celibacy not only has a place but the highest place in the Catholic Church. To be married is good but to be celibate is better (see St. Paul on the subject). I would get excommunicated from the Presbyterian ecclesial community for saying such a thing (I'm exaggerating). But anyone who would deny that the Catholic Church values celibacy more than the Protestant communities is a liar. Furthermore, it is impossible to honestly say that the Catholic Church does not more closely resemble the early Church (at least in so far as Athenagoras paints her here) on this issue (yet one more in the litany). Other irrefutable issues where the Catholic Church is unequivocally closer to the early Church include the Eucharist, the doctrines of Baptism, the communion of saints - praying for the dead etc, the liturgical order (see Justin Martyr 1st apology) apostolic succession, justification (see Justin Matryr and others - also see Ignatius of Antioch calling the Eucharist the 'medicine of immortality') and the list goes on.