"The blood of the martyrs is the seed of the Church"
You’re probably familiar with the quote above, a favorite of Pope St. John Paul II. It’s author is Tertullian (c. A.D. 160 – c. A.D. 220), one of the foremost Christian writers and apologists of his age, who also gave us such essential terms as “Trinity” (Trinitas) and “Three Persons, One Substance” (Tres Personae, Una Substantia). Despite his enormous achievements, however, and his lasting influence, Tertullian is not considered a Father of the Church; we don’t even call him “Saint” Tertullian: he chose, sadly, to follow his own judgment rather than that of the Apostolic Church, and fell into heresy in the latter part of his life.
I first wrote this post six years ago, as a follow-up to my essay
"Merton's Parable of the Trappists and Icarians". I had been reminded of Tertullian by several things I read at that time about the Trappist monk Thomas Merton who, if he had still been with us, would have been celebrating his 100
th birthday at the time (January 31
st 2015). I don’t mean to suggest that Merton was a figure on a par with Tertullian: the late Trappist made no lasting contribution to the development of Catholic Doctrine, and added no new words to our vocabulary, although he was quite influential in his time (and still is, to a degree). Like Tertullian, however, he didn’t stay the course: while he never considered himself to have left the Church, his growing involvement with Zen Buddhism in his last years appeared to be carrying him outside the bounds of Christian belief and practice . . .
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