[T]he Father, the Son, and the Holy Ghost [are] three ... not in condition, but in degree; not in substance, but in form; not in power, but in aspect; yet of one substance, and of one condition, and of one power, inasmuch as He is one God, from whom these degrees and forms and aspects are reckoned, under the name of the Father, and of the Son, and of the Holy Ghost.
TertullianYou can judge the quality of their faith from the way they behave. Discipline is an index to doctrine.
TertullianHow many men of rank (to say nothing of common people) have been delivered from devils, and healed of diseases!
Tertullian