Nicene and Post-Nicene Fathers, Vol. IV: Writings in Conn...
Chapter 31.—60. Tenax of Horrea Celiæ 1842 said: "There is one baptism, but of the Church; and where the Church is not, there baptism also cannot be." 1843
61. To him we answer: How then comes it that it may be where the rock is not, but only sand; seeing that the Church is on the rock, and not on sand?
Horrea Celiæ (Cæliæ) was a village of ecclesiastical province of Byzacium, ten miles north of Hadrumetum. A Tenax is mentioned as bishop in Cypr. Ep. lxvii.
507:1843